OKAFO, Sinodukoo Eziuzo; MONIORO, Phillips Oghenerhivwe; ENYAOSAH, Perpetual Ogochukwu; OFFOR, Amarachi. Formulation and Evaluation of Sustained Release Tablet of Metformin by Ionic Gelation Technique using Sida acuta Gum as Release Retardant. Journal of Drug Delivery and Therapeutics, India, v. 13, n. 5, p. 22–28, 2023. DOI: 10.22270/jddt.v13i5.5804. Disponível em: https://www.jddtonline.info/index.php/jddt/article/view/5804. Acesso em: 18 jan. 2026.