Susrama, I Gede, Tobing L, I Dewa Gede Hari Wisana, I Ketut Edi Purnama, and Mauridy Harry Purnomo. 2018. “Counting the Amount of Spermatozoa Active Perframe Video Using Morphology and Local Adaptive Threshold”. Nusantara Science and Technology Proceedings, August, 118-26. https://nstproceeding.com/index.php/nuscientech/article/view/23.