Avila, Myrna M., et al. “SOCIO-ECONOMIC ASPECTS OF TECHNOLOGICAL CHANGE IN COCONUT FARMING: THE CASE OF THE NATIONAL COCONUT PLANTING REPLANTING PROGRAM”. Annals of Tropical Research, vol. 14, no. 1-4, Sept. 1992, pp. 48-64, https://atr.vsu.edu.ph/article/view/612.