L. Winarni, Nurul, Nuruliawati Nuruliawati, and Zahrah Afifah. “Assessment of Surrogate of Ecosystem Health Using Indicator Species and Mixed-Species Bird Flock: DOI: 10.32526/ennrj.17.3.2019.18”. Environment and Natural Resources Journal 17, no. 3 (March 18, 2019): 11–18. accessed December 9, 2025. https://ph02.tci-thaijo.org/index.php/ennrj/article/view/178198.