| Article# | Article Title & Authors (Volume 13 Number 2 (May 2021)) | Page |
| 1286 |
Eman A. Al-Hilo and Abbas F. Al-Rufaee
|
29 |
| 1287 |
Aamir Rashid and Ching-yu Huang
|
35 |
| 1288 |
Shi-Nan Wang, Yu-Jing Wu, and Yi-Nan Xu
|
42 |
| 1289 |
Rupinder Pal Singh and Hardeep Singh
|
47 |
| 1290 |
Yaoshun Li and Lizhi Liu
|
56 |