Simatauw, Anniestasya, and Adrien Unitly. “ESTRUS CYCLE OF Rattus Norvegicus EXPOSED TO CIGARETTE SMOKE AFTER TREATMENT ETHANOL EXTRACT OF GRASS (Biophytum Petersianum Klotzsch)”. RUMPHIUS Pattimura Biological Journal 1, no. 1 (March 25, 2019): 001-007. Accessed April 26, 2024. https://ojs3.unpatti.ac.id/index.php/rumphius/article/view/773.