M. Ramayani, Violita, A. Razak, and M. Fadilah, “The Development of LKPD Based on a Scientific Approach to Improve Students’ Science Process Skills in Material on the Human Circulatory System and Digestive System Class XI SMA ”, jppipa, pendidikan ipa, fisika, biologi, kimia, vol. 10, no. 10, pp. 7285–7295, Oct. 2024.