| Article# | Article Title & Authors ( Volume 9, No. 4, December 2021) | Page |
| 1 |
Christian Reidl and Daniel Valtiner
|
83 |
| 2 |
Shunichiro Morishita
|
88 |
| 3 |
Zalina Ibrahim, Firdaus Abdullah, and Azman Ismail
|
96 |
| 4 |
Lianghui Che
|
101 |

