S. . Sdoodee, A. . Leconte, S. Rongsawat, J. Rukkhun, T. . Huaynui, and H. . Chinatiam, “First Tests of ‘Double Cut Alternative’ Rubber Tapping System in Southern Thailand”, Agr. Nat. Resour., vol. 46, no. 1, pp. 33–38, Feb. 2012.