Fariaman Purba, Darwin Damanik. Analisis Willingness To Pay (Wtp) Pengunjung Taman Hewan Di Kota Pematangsiantar Pasca Pandemi Covid19. jmki-widyakarya [Internet]. 2023 Sep. 8 [cited 2024 Oct. 5];1(4):143-57. Available from: https://ifrelresearch.org/index.php/jmki-widyakarya/article/view/1271