Sarker S, Ehsan M. Preparation and Characterization of Toxic Metal Complexes of Nicotinamide and Nicotinic acid. J Bangladesh Acad Sci [Internet]. 2017 Aug. 23 [cited 2024 Dec. 22];41(1):37-45. Available from: https://banglajol.info/index.php/JBAS/article/view/33498