Sharma, Piush, and Charanjeet Singh. “Synthesis, Characterization and Biological Evaluation of Some Novel N-Mannich Bases of Heterocyclic 1,3,4-Thiadiazole”. Journal of Drug Delivery and Therapeutics, vol. 9, no. 4-A, Aug. 2019, pp. 220-8, https://doi.org/10.22270/jddt.v9i4-A.3332.