Mutoharoh, M., L. M. Ifada, and N. Najihah. “Assistance of Natural Handmade Soap Production to Darul Ibadah Community Bangkok for Saving Environment and Financial Issue”. Engagement: Jurnal Pengabdian Kepada Masyarakat, Vol. 7, no. 1, May 2023, pp. 105-17, doi:10.29062/engagement.v7i1.1326.