Villacorta, L. B., Velasco, E. C., Roquia, F. H., & Environment and Resource Management Project, P. (1995). Analysis of gender-based activities in selected agroecological systems in the Philippines. ERMP Institute of Environmental Science and Management.

Villacorta, Lurraine B., Esther C. Velasco, Felixberto H. Roquia, and Philippines Environment and Resource Management Project. Analysis of Gender-based Activities in Selected Agroecological Systems in the Philippines. College, Laguna: ERMP Institute of Environmental Science and Management, 1995.

Villacorta, Lurraine B., et al. Analysis of Gender-based Activities in Selected Agroecological Systems in the Philippines. ERMP Institute of Environmental Science and Management, 1995.