Oktarianti, Rike, Putra, Iguh, Arofa, Resmining, AND Lelono, Asmoro. " Prevalence of Phenylthiocarbamide (PTC) Taste Sensitivity and Colour Blindness in Tengger Tribe Population, Ranupani Village, Senduro, Lumajang" BERKALA SAINSTEK [Online], Volume 9 Number 4 (6 December 2021)