Akmal, Rommy, 		Kuswanto, Kuswanto, 		Fahrunnisa, Syarifah, 		Rahmi, Ridha, 		Bayanil, Nur, AND 		Nurliani, Anni.
" The Spermicide Effect from Methanol Extract of Kalangkala Seed (Litsea angulata) to Spermatozoa Mice (Mus musculus)" <em>Journal of Agromedicine and Medical Sciences</em> [Online], Volume 2 Number 2 (20 June 2016)