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 | Head First Android Development: A Learner's Guide to Building Android Apps with Kotlin (2021) by Griffiths, Dawn, Griffiths, David |
 | Java to Kotlin: A Refactoring Guidebook (2021) by McGregor, Duncan, Pryce, Nat |
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 | Functional Programming in Kotlin (2021) by Vermeulen, Marco, Bjarnason, Rúnar, Chiusano, Paul |
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 | Manifest Android Interview: The ultimate guide to cracking Android technical interviews (2025) by Eum, Jaewoong |
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 | Introduction to PostgreSQL for the data professional. (2025) by Booz, Ryan, Fritchey, Grant, Treat, Robert |
 | PostgreSQL Query Optimization: The Ultimate Guide to Building Efficient Queries (2024) by Dombrovskaya, Henrietta, Novikov, Bailliekova, Anna |
 | Head First Kotlin: A Brain-Friendly Guide (2019) by Griffiths, Dawn, Griffiths, David |
 | Kotlin Cookbook: A Problem-Focused Approach (2019) by Kousen, Ken |
 | Inside the Android OS: Building, Customizing, Managing and Operating Android System Services (Android Deep Dive) (2021) by Meike, G., Schiefer, Lawrence |
 | Kotlin Essentials (Kotlin for Developers) (2022) by Moskała, Marcin |
 | Kotlin In-Depth: A Guide to a Multipurpose Programming Language for Server-Side, Front-End, Android, and Multiplatform Mobile (English Edition) (2022) by Sedunov, Aleksei |
 | Kotlin Programming for Beginners: An Introduction to Learn the Kotlin Programming Language with Tutorials and Hands-On Examples (2021) by Metzler, Nathan |
 | How to Build Android Applications with Kotlin: A hands-on guide to developing, testing, and publishing production-grade Android 16 apps (2025) by Alex Forrester, Eran Boudjnah, Alexandru Dumbravan, Jomar Tigcal |
 | Mastering Kotlin for Android 14: Build powerful Android apps from scratch using Jetpack libraries and Jetpack Compose (2024) by Harun Wangereka |
 | Kotlin Design Patterns and Best Practices: Elevate your Kotlin skills with classical and modern design patterns, coroutines, and microservices (2024) by Alexey Soshin |
 | Mastering PostgreSQL 17: Elevate your database skills with advanced deployment, optimization, and security strategies (2024) by Hans-Jürgen Schönig |
 | PostgreSQL 16 Administration Cookbook: Solve real-world Database Administration challenges with 180+ practical recipes and best practices (2023) by Gianni Ciolli, Boriss Mejías, Jimmy Angelakos, Vibhor Kumar, Simon Riggs |
 | Learn PostgreSQL: Use, manage, and build secure and scalable databases with PostgreSQL 16 (2023) by Luca Ferrari, Enrico Pirozzi |
 | Kotlin in Action (2017) by Jemerov, Dmitry, Isakova, Svetlana |
 | Android Cookbook: Problems and Solutions for Android Developers (2017) by Darwin, Ian F. |
 | PostgreSQL: Up and Running: A Practical Guide to the Advanced Open Source Database (2017) by Obe, Regina O., Hsu, Leo S. |
 | Android Apps for Absolute Beginners: Covering Android 7 (2017) by Jackson, Wallace |
 | Android Programming for Beginners: Build in-depth, full-featured Android apps starting from zero programming experience, 3rd Edition (2021) by Horton, John |
 | Android Programming with Kotlin for Beginners: Build Android apps starting from zero programming experience with the new Kotlin programming language (2019) by John Horton |
 | Android App Development: . (2017) by Franceschi, Hervé J. |
 | Android Programming: The Big Nerd Ranch Guide (2017) by Phillips, Bill, Stewart, Chris, Marsicano, Kristin |
 | Mastering PostgreSQL 9.6: A comprehensive guide for PostgreSQL 9.6 developers and administrators (2017) by Schonig, Hans-Jurgen |
 | Android: Pocket Primer (2017) by Campesato, Oswald |
 | Android Development with Kotlin: Enhance your skills for Android development using Kotlin (2017) by Moskala, Marcin, Wojda, Igor |
 | PostgreSQL 9.6 Vol3: Client Interfaces (2017) by Group, PostgreSQL Development |
 | PostgreSQL 9.6 Vol4: Server Programming (2017) by Group, PostgreSQL Development |
 | Android Database Best Practices (Android Deep Dive) (2016) by Stroud, Adam Stroud |
 | PostgreSQL: Up and Running (2015) by Obe, Regina O., Hsu, Leo S. |
 | Android Studio New Media Fundamentals: Content Production of Digital Audio/Video, Illustration and 3D Animation (2015) by Jackson, Wallace |
 | Android Concurrency (2016) by Meike, G. |
 | Introduction to Android Application Development: Android Essentials (Developer's Library) (2015) by Annuzzi, Joseph, Jr., Darcey, Lauren, Conder, Shane |
 | Android User Interface Design: Implementing Material Design for Developers (Usability) (2015) by Clifton, Ian |
 | PostgreSQL 9.6 Vol5: Reference - SQL Commands (2016) by Group, PostgreSQL Development |
 | PostgreSQL 9.6 Vol7: Internals (2016) by Group, PostgreSQL Development |
 | PostgreSQL 9.5 Vol1: The SQL Language (2016) by Group, PostgreSQL Development |
 | PostgreSQL 9.5 Vol6: Internals (2016) by Group, PostgreSQL Development |
 | PostgreSQL 9.5 Vol2: Server Administration (2016) by Group, PostgreSQL Development |
 | PostgreSQL 9.6 Vol2: Server Administration (2016) by Group, PostgreSQL Development |
 | PostgreSQL 9.5 Vol3: Client Interfaces (2016) by Group, PostgreSQL Development |
 | Android Tips and Tricks: Covers Android 5 and Android 6 devices (2016) by Hart-Davis, Guy |