Figure 6 from Layout Design of 5 Transistor D Flip Flop for Power and Area Reduction and Performance Comparison in Different Scaling Technologies | Semantic Scholar
What is a T Flip-Flop ??? (Using Discrete Transistors)
JK-RS Flip-Flop, September 1971 Popular Electronics - RF Cafe
The T Flip-Flop (Quickstart Tutorial)
How many transistors are in a flip flop? - Quora
Simple flip flop circuit using two transistors - YouTube