DOI: https://doi.org/10.33322/petir.v15i1
Published: 2021-12-31
1 - 9
10 - 20
21 - 27
28 - 37
38 - 47
48 - 56
57 - 62
63 - 75
76 - 90
91 - 101
102 - 112
113 - 120
121 - 134
135 - 144
145 - 156
157 - 165
166 - 175