Brown, R. M., Dolino, C. N., Alcala, E., Diesmos, A. C. ., & Alcala, A. C. (2022). The Advertisement Calls of Two Endangered Species of Endemic Philippine Frogs: (Platymantis spelaeus and P. insulatus (Anura; Ranidae). Silliman Journal, 43(1). Retrieved from https://sillimanjournal.su.edu.ph/index.php/sj/article/view/246