madamba, C., T. Reyes, and R. Valdez. “Research on integrated crop protection systems with emphasis on the root-knot nematodes (Meloidogyne SPP.) affecting economic food crops”. Agriculture and Natural Resources, vol. 12, no. 1, Jan. 1978, pp. 49-52, https://li01.tci-thaijo.org/index.php/anres/article/view/240791.