Gonzaga, V. B. L., Patriarca, E. P., & Tan, G. D. J. (1994). People empowerment and environmental management: The PUMOLUYO experience in Negros Island. Institute of Social Research and Development, University of St. La Salle.

Gonzaga, Violeta B. Lopez-, Elias P. Patriarca, and Glenn Dennis J. Tan. People Empowerment and Environmental Management: The PUMOLUYO Experience in Negros Island. Bacolod City: Institute of Social Research and Development, University of St. La Salle, 1994.

Gonzaga, Violeta B. Lopez-, et al. People Empowerment and Environmental Management: The PUMOLUYO Experience in Negros Island. Institute of Social Research and Development, University of St. La Salle, 1994.