Sangen, O. R., Firmawati, A., Marhendra, A. P. W., & Titisari, N. (2021). Spermatogenesis Duration on Adult Javan Langur (Trachypithecus auratus) Based on Testosteron Hormone and Luteinizing Hormone (LH). Jurnal Medik Veteriner, 4(1), 110–117. https://doi.org/10.20473/jmv.vol4.iss1.2021.110-117