Source from :
Personal audio capture
https://www.ecologyasia.com/
https://soundcloud.com/frogvoicesofborneo
BRIN (Badan Riset dan Inovasi Nasional)
MZB (Museum Zoologicum Bogoriense)
PHI (Penggalang Herpetologi Indonesia)
Leong Tzi Ming
Law Ingg Thong
Law Ing Sind
*All location are obscured, pls contact me for detail