Mulyono T, Andarini N, Reza M. O OUTREACH AND TRAINING ON BAR SOAP MAKING FOR STUDENTS OF INTEGRATED ISLAMIC ELEMENTARY SCHOOLS . HDC [Internet]. 2026 Feb. 28 [cited 2026 Sep. 21];1(1):19-30. Available from: https://journal-dev.stdiis.net/index.php/hdc/article/view/1338