Optimization of solvent and extraction time on secondary metabolite content of mangosteen leaf (Garcinia mangostana L.) as a feed additive candidate on poultry. J. Adv. Vet. Anim. Res [Internet]. 2024 Mar. 31 [cited 2026 Jul. 3];11(1):139-45. Available from: https://www.banglajol.info/index.php/JAVAR/article/view/76087