Laz, R., & Das, T. (2007). Effects of methionine and tryptophan on the silk glands of mulberry silkworm <i>Bombyx mori</i> L (Lepidoptera: Bombycidae). University Journal of Zoology, Rajshahi University, 23, 83–84. Retrieved from https://www.banglajol.info/index.php/UJZRU/article/view/121