Rija'i HR, Rahmadita A, Nabila AYAP, Astini NKR. Efforts to Increase Knowledge about the Impact of Illegal Cosmetics on Students of State Senior High School 5 Samarinda: Upaya Peningkatan Pengetahuan tentang Edukasi Dampak Negatif Kosmetik Illegal Bagi Kesehatan di SMA Negeri 5 Samarinda. JAN [Internet]. 2026 Jul. 31 [cited 2026 Aug. 1];3(2):70-8. Available from: https://jan.b-creta.com/index.php/jan/article/view/43