“Identifikasi Sildenafil, Tadalafil, Dan Vardenafil Pada Jamu Serbuk Stamina Pria Secara KLT-Spektrofotodensitometri”. Indonesian Journal of Chemical Science, vol. 13, no. 3, Nov. 2024, https://journal.unnes.ac.id/journals/ijcs/article/view/1210.