Manjorang, N. A. B.; Sembiring, N. M. P. .; Yun, D. C. .; Hutasoit, N. .; Heriani, S. . Effectiveness of Video and Leaflet Educational Media on Postpartum Mothers’ Knowledge and Attitudes Toward Exclusive Breastfeeding: A Quasi-Experimental Study. J. App Nurs n Health 2026, 8, 406-423.