G. A. M. P. Isvari, E. Hadibrata, A. E. Yunianto, and Susianti, “The Effect Of Black Pepper (Piper nigrum L) Extract on Male White Rat (Rattus Norvegicus) Libido (Sexual Behavior) with Diabetes Mellitus”, méd. prof. j. of Lampung, vol. 14, no. 9, pp. 1707-1712, Feb. 2025.