Adam, A.; Kho, P. E.; Sahari, N.; Tida, A.; Chen, Y. S.; Tawie, K. M.; Kamarudin, S.; Mohamad, H. Dr.LADA: Diagnosing Black Pepper Pests and Diseases With Decision Tree. Int. J. Adv. Sci. Eng. Inf. Technol. 2018, 8, 1584-1590.