Ramadhanti, A. R., N. O. J. Puspita, C. F. Refalta, H. Kurnianto, and H. T. S. Saragih. 2021. “Performance of Male Layer Fed Ration Containing Green Algae (Spirogyra Jaoensis) Extract”. Tropical Animal Science Journal 44 (1): 100-107. https://doi.org/10.5398/tasj.2021.44.1.100.