THE POTENTIAL OF KALANGKALA (Litsea angulata) SEED EXTRACT AS A NATURAL SPERMICIDE MATERIAL. TROPICAL WETLAND JOURNAL, [S. l.], v. 3, n. 2, p. 1–6, 2017. DOI: 10.20527/twj.v3i2.45. Disponível em: https://twj.ulm.ac.id/index.php/twj/article/view/45. Acesso em: 5 aug. 2025.