NAINGGOLAN, Bajoka; PINEM, Ita Sri Apika; HUTABARAT, Wesly. Development of chemical practice guides class xi project based to improve student™s chemical learning outcomes on acid base materials. Jurnal Pendidikan Kimia, [S. l.], v. 10, n. 2, p. 393–396, 2018. DOI: 10.24114/jpkim.v10i2.11018. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/jpk/article/view/11018. Acesso em: 9 jun. 2025.