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