“PROPAGATION OF LOCALLY ISOLATED BACILLUS THURINGIENSIS (CAMB 3-023) FOR THE PRODUCTION OF SPORE-CRYSTAL PROTEIN IN SHAKE FLASK”. 2002. Biological Sciences - PJSIR 45 (6): 400-403. https://www.v2.pjsir.org/index.php/biological-sciences/article/view/1848.