HISTOLOGI TESTIS MENCIT (Mus musculus L.) MUDA DAN TUA YANG DIBERI EKSTRAK LADA HITAM (Piper nigrum L.) - Septiya Reni; M. Kanedi; Nuning Nurcahyani; Sutyarso Sutyarso (Department of Biology Faculty of Mathematics and Natural Sciences Universitas Lampung in collaboration with The Indonesian Association of Biology (PBI) Lampung Branch., 2013)