1.
Ridwanulloh A, Suyahmo S, Budi Utomo C. The Effects of a Problem-Based Learning Model Aided by Mind Mapping on Self-directed Learning in Elementary School Students. JPE [Internet]. 30Mar.2022 [cited 19Apr.2024];11(1):1-3. Available from: https://journal.unnes.ac.id/sju/jpe/article/view/53645