Markus Christian Hartanto, Cennikon Pakpahan, and Aleksander Try Utomo. “HYPERSPERMIA, THE OFTEN-NEGLECTED SEMEN ABNORMALITY AFFECTING FECUNDABILITY”. Majalah Biomorfologi, vol. 34, no. 1, Jan. 2024, pp. 60-66, doi:10.20473/mbiom.v34i1.2024.60-66.