Henny Setiawati, Asti Setiawati, Nur Ismirawati and Asrullah Syam 2023. Development of Student Worksheets (LKPD) Based on Critical Thinking Skills Environmental Change and Waste Recycling Materials. Pegem Journal of Education and Instruction. 13, 4 (Jul. 2023), 1–12. DOI:https://doi.org/10.47750/pegegog.13.04.01.