Rahmadani, R., Lufri, L., Fadilah, M. and Fitri, R. (2022) “Development of Contextual Teaching and Learning (CTL) Oriented Student Worksheets (LKPD) on Digestive System Material for Class XI High School”, PENBIOS: JURNAL PENDIDIKAN BIOLOGI DAN SAINS, 6(02), pp. 86-92. doi: 10.51673/penbios.v6i02.853.