ZAMILI, Seriana; POHAN, Lisa Ariyanti; HASANAH, Uswatun. The effects of hand soap making practice with addition of pineapple skin extract (Ananas comosus L. Merr) on learning interests in colloidal materials in senior high school. Jurnal Pendidikan Kimia, [S. l.], v. 11, n. 3, p. 129–135, 2019. DOI: 10.24114/jpkim.v11i3.15798. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/jpk/article/view/15798. Acesso em: 27 aug. 2025.