Dewi, Imega Syahlita, and Rina Puji Utami. 2019. “Profile Enhancement Students’ Critical Thinking Skills of 7th Grade Junior High School in Natural Science Learning With Environmental Polution Subject Assisted by PODE Worksheet”. Science Education and Application Journal 1 (2):56-61. https://doi.org/10.30736/seaj.v1i2.133.