Permana, R. C. E., Arifin, K., & Pojoh, I. H. (2015). The Application of “Digit Ratio 2D:4D” in Predicting Male-Female Hands on Prehistoric Cave Hand Stencils in Indonesia. Asian Journal of Humanities and Social Studies, 3(5). Retrieved from https://ajouronline.com/index.php/AJHSS/article/view/3249