The JF-17B could be the foundation of the Block-III
Could Pakistan's JF-17 Thunder soon become a 5th or 6th generation aircraft in the upcoming blocks, considering that it has already touched 4.5 generation in three blocks? - Quora
CAC/PAC JF-17 Thunder - Wikipedia
JF-17 vs J-10C: A Quick Comparison - Pak Spectrum
JF-17 Block-III: What we know so far | JF-17 Thunder
Blog de las Fuerzas de Defensa de la República Argentina: Thunder: El JF-17 Block 3
FC-1 / JF-17 Thunder
JF-17 Block-3: Specifications revealed - Global Defense Insight