Octavi Hemi C, Ukik Agustina, Predito Prihantoro. EFFECTIVENESS OF PROVIDING DIRECT VISUALIZATION ABOUT THE DANGERS OF CIGARETTES TO THE LUNGS ON THE KNOWLEDGE AND ATTITUDES OF STUDENTS OF SMAN 1 KANDAT. IJNER [Internet]. 2026 Jan. 22 [cited 2026 May 12];9(1):28-34. Available from: https://www.ijner.org/index.php/IJNER/article/view/362