Andrefson, Edo, Yasri Yasri, and S Evanita. “Analysis of Factors Influencing Green Environmental Performance of Hotels in West Sumatra”. International Journal of Innovative Research and Scientific Studies 8, no. 2 (April 10, 2025): 3652–3664. Accessed June 27, 2025. http://www.ijirss.com/index.php/ijirss/article/view/6069.