National Conference on Research in the Uplands, Marco, J. M., & Nunez, E. A. (1996). Participatory and community-based approaches in upland development: A decade of experience and a look at the future. Philippine Uplands Resource Center.

National Conference on Research in the Uplands, Jesusa M. Marco, и Enrique A. Nunez. Participatory and Community-based Approaches in Upland Development: A Decade of Experience and a Look at the Future. [Manila]: Philippine Uplands Resource Center, 1996.

National Conference on Research in the Uplands, et al. Participatory and Community-based Approaches in Upland Development: A Decade of Experience and a Look at the Future. Philippine Uplands Resource Center, 1996.