Pandia ES, Wahyuni A, Nursamsu N, Manurung N. Validity and practicality of Ecology Project Based Practicum Worksheets to Improve Science Process Skills. jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2023 Sep. 25 [cited 2024 Jul. 1];9(9):6918-24. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/4950