Rahayu, Rukun, Hakim, Luchman, DAN Hayati, Ari. " Carbon Estimation of Cocoa Stands (Theobroma cacao L.) in Agroforestry Area Sumberrejo Village, Pagak, Malang Regency" Metamorfosa: Journal of Biological Sciences [Online], Volume 9 Nomor 1 (11 May 2022)