Manjorang, N.A.B., Sembiring, N.M.P. , Yun, D.C. , Hutasoit, N. and Heriani, S. 2026. Effectiveness of Video and Leaflet Educational Media on Postpartum Mothers’ Knowledge and Attitudes Toward Exclusive Breastfeeding: A Quasi-Experimental Study. Journal of Applied Nursing and Health. 8, 1 (Mar. 2026), 406–423. DOI:https://doi.org/10.55018/janh.v8i1.467.