JK Flip-flop: Positive Edge Triggered and Negative Edge-Triggered Flip-Flop
flipflop - Explanation of Edge Triggered D type flip flop triggered at positive edge of the clock pulse cycle (from Morris Mano Book)? - Electrical Engineering Stack Exchange
JK Flip-Flop Explained | Race Around Condition in JK Flip-Flop | JK Flip- Flop Truth Table, Excitation table and Timing Diagram - ALL ABOUT ELECTRONICS
For the D-type positive edge-triggered flip-flop and | Chegg.com