Wardani AF, Siahaan J, Anwar YAS. Development of POE (Predict-Observe-Explain) Based Learning Modules Assisted by Rolling Ball Media on Hydrocarbon Compound Properties. Chem.Educ.Pract [Internet]. 2024 May 31 [cited 2024 Nov. 22];7(1):173-9. Available from: http://jurnalfkip.unram.ac.id/index.php/CEP/article/view/4974