Hasibuan, R.S., Soekmadi, R., Purnomo, H. and Mulyono, N.B. 2025. Carbon Footprint Analysis and Tourist Satisfaction of 4As at an Ex-situ Conservation Institution. Jurnal Sylva Lestari. 13, 2 (May 2025), 441–453. DOI:https://doi.org/10.23960/jsl.v13i2.1093.