“DEVELOPING MIND MAPPING BASED POCKET BOOK LEARNING MEDIA FOR UNDERSTANDING THE CONCEPT OF INDONESIAN GEOGRAPHIC CONDITIONS MATERIALS AT GRADE V ELEMENTARY SCHOOL”. 2021. Primary: Jurnal Pendidikan Guru Sekolah Dasar 10 (1): 67-78. https://doi.org/10.33578/10.33578/jpfkip.v10i1.8068.