พันธุ์วัฒนา พ. 2018. The Principles of POLC to Significant Influence with The business of Breeding red-whiskered bulbul in shelters. RMUTP Research Journal Humanities and Social Sciences. 1, 2 (Jul. 2018), 60–72. DOI:https://doi.org/10.14456/rjhsrmutp.2016.11.