Laz, R., Gani, A. and Reza, A. S. (2007) “Effects of methionine and tryptophan on some economic characters in the mulberry silkworm <i>Bombyx mori</i> L”, University Journal of Zoology, Rajshahi University, 25, pp. 57–62. doi: 10.3329/ujzru.v25i0.328.