Subuh Anggoro , Santhy Hawanti , Noreen Izza Arshad , Corrienna Abdul Talib , Azmi Fitriati and Neni Hermita. 2020. “Preservice Elementary Teachers’ Nature of Science Courses: Explicit, Implicit, or…?”. International Journal of Advanced Science and Technology 29 (06), 3745 -53. http://sersc.org/journals/index.php/IJAST/article/view/15736.