Wiratman, Arwan, et al. “PROJECT-BASED LEARNING INTEGRATED WITH SCIENCE, TECHNOLOGY, ENGINEERING, AND MATHEMATICS (STEM) TO THE CRITICAL THINKING SKILLS OF STUDENTS IN ELEMENTARY SCHOOL”. SITTAH: Journal of Primary Education, vol. 4, no. 2, Oct. 2023, pp. 167-80, doi:10.30762/sittah.v4i2.1828.