Regpala, M. E., Motin, B., & Balawag, G. T. (2010). Philippine indigenous peoples & protected areas: Review of policy and implementation : final report. Tebtebba Foundation.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRegpala, Ma. Elena, Borromeo Motin, और Grace T. Balawag. Philippine Indigenous Peoples & Protected Areas: Review of Policy and Implementation : Final Report. Baguio City: Tebtebba Foundation, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRegpala, Ma. Elena, et al. Philippine Indigenous Peoples & Protected Areas: Review of Policy and Implementation : Final Report. Tebtebba Foundation, 2010.
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