Masithoh, R., Margowati, S. and Heniyatun, H. 2023. The Perceptions of Youth At SMK Muhammadiyah 1 Magelang Towards Pictorial Health Warning 90% as A Revision of PP 109 Year 2012. Pancasakti Journal Of Public Health Science And Research. 3, 1 (Jan. 2023), 30-38. DOI:https://doi.org/10.47650/pjphsr.v3i1.578.