Rosini, Rosini -, and Yulinda Yulinda. “THE EFFECTIVENESS OF POSTERS ON INCREASING KNOWLEDGE OF THE DANGERS OF SMOKING IN SDIT AL MUDDATSIRIYAH STUDENTS”. Publication Library and Information Science, vol. 6, no. 1, Aug. 2022, pp. 11-27, doi:10.24269/pls.v6i1.5071.