http://repository.uhamka.ac.id/id/eprint/16702/ is conceptual learning based on conceptual change text (CTT) effectively applied to PGSDstudents'science classes? Wati Sukmawati, Wati http://repository.uhamka.ac.id/id/eprint/16702/1/44034-135805-1-PB%20%285%29.pdf Unduh!