Latupapua, Valenchia Geraldyne, Rima Berti Anggraini, and Hermain Hermain. “The Influence of Health Education Using Leaflets and Flashbacks on Patient Knowledge about Gastritis”. Genius Journal (October 11, 2025). Accessed October 15, 2025. https://genius.inspira.or.id/index.php/gj/article/view/800.