Naufal, Adnan, 		Khasanah, Dini, AND 		Noviyana, Ulfa.
" DERAJAT QUADRICEPS ANGLE MEMPENGARUHI PATELLA FEMORAL PAIN SYNDROME" <em>Jurnal Fisioterapi dan Rehabilitasi</em> [Online], Volume 4 Number 1 (24 March 2020)