Sarma, R. S. J. M. A. Y. R. (2000) “Compatibility of phorate and chlorpyriphos with Trichoderma harzianum (Rifai.) applied for integrated disease management in black pepper (Piper nigrum L.)”, Journal of Spices and Aromatic Crops, 9(2), pp. 111–115. Available at: https://www.updatepublishing.com/journal/index.php/josac/article/view/4563 (Accessed: 1 December 2025).