Sidan, Y. and Sari, M. 2022. Development of Integrated Science Student Worksheets (LKPD) Based on a Scientific Approach on Environmental Pollution Material at SMPN 6 Padang Class VII. Universe. 3, 1 (Jul. 2022), 57-62. DOI:https://doi.org/10.24036/universe.v3i1.160.