Utilization of Moringa Leaf Flour as a Natural Immunostimulant to Increase the Growth of Gourami Fish (Osphronemus gouramy) - Warman, Indra; Novitasari, Heti; Puspita, Bambang; Cristian, Gala (AGRITEPA: Jurnal Ilmu dan Teknologi Pertanian, 2025)