3-17
13-27
33-48
10.55131/jphd/2023/210218
212-222
28-46
10.55131/jphd/2022/200301
1-15
31-46
10.55131/jphd/2023/210207
82-90
10.55131/jphd/2022/200217
228-239
10.55131/jphd/2023/210119
250-256
10.55131/jphd/2024/220107
80-92