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Grig Gheorghiu & Noah Gift & Kennedy Behrman & Alfredo Deza
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Graham Dumpleton
PHP, MySQL & JavaScript All in One, Sams Teach Yourself
Julie C. Meloni
PCI DSS
Jim Seaman
C# 8.0 Pocket Reference
Joseph Albahari & Ben Albahari
Java Pocket Guide
Robert Liguori & Patricia Liguori
Bash Pocket Reference
Arnold Robbins
Python Pocket Reference
Mark Lutz
Windows PowerShell Pocket Reference
Lee Holmes
SQL Pocket Guide
Jonathan Gennick
C++ Pocket Reference
Kyle Loudon
Regular Expression Pocket Reference
Tony Stubblebine
C Pocket Reference
Peter Prinz & Ulla Kirch-Prinz
sed & awk Pocket Reference