Utami, Latifah Dwi, and Ristiana Dyah Purwandari. “Implementation of the Sciencepreneur Approach through Project-Based Learning in Making Natural Shampoo to Improve Critical Thinking Skills of SD UMP Students in the 2024 2025 Academic Year”. Proceedings Series on Social Sciences & Humanities, vol. 25, Aug. 2025, pp. 806-10, https://conferenceproceedings.ump.ac.id/pssh/article/view/1793.