Somboonsuke, B., Wettayaprasit, P., Phitthayaphinant, P. and Jongrungrot, V. 2015. Potentiality and Management of Household Labor in the Smallholding Rubber Production System: A Case Study in a Traditional Rubber Area of Southern Thailand. Kasetsart Journal of Social Sciences. 36, 2 (Aug. 2015), 258–270.