Akmal, R., 		Kuswanto, K., 		Fahrunnisa, S., 		Rahmi, R., 		Bayanil, N., & 		Nurliani, A.
2016 Jun 20.  The Spermicide Effect from Methanol Extract of Kalangkala Seed (Litsea angulata) to Spermatozoa Mice (Mus musculus). Journal of Agromedicine and Medical Sciences. [Online] 2:2