“Enrichment of Soymeal Medium to Increase the Rapamycin Production by Streptomyces hygroscopicus: Rapamycin Enhancement by Soymeal”, Pakistan Journal of Scientific & Industrial Research, vol. 57, no. 1, pp. 25–31, Apr. 2014, doi: 10.52763/PJSIR.BIOL.SCI.57.1.2014.25.31.