Benchasri, Sorapong. “Preliminary Studies on Incidence of Insect Pests on Okra (Abelmoschus Esculentus (L.) Moench) in Thailand”. Bulgarian Journal of Agricultural Science, vol. 19, no. 2, Apr. 2013, pp. 209-15, https://agriacad.eu/ojs/index.php/bjas/article/view/5856.