Ika, Risqa Putri, et al. “Pengembangan E-LKPD Berbasis Model Problem Based Learning Terintegrasi Etnokimia Pada Materi Asam Basa”. Chemistry Education Practice, vol. 8, no. 1, May 2025, pp. 241-5, doi:10.29303/cep.v8i1.9091.