Article Metrics
Abstract view : 1601 timesRefbacks
- There are currently no refbacks.
Copyright (c) 2021 Afrida Yanti, Putri Ardiani Lubis, Novi Amelia Natasha, Efraim Sitorus, Frinawati Lestarina Barus
![Creative Commons License](http://licensebuttons.net/l/by-sa/4.0/88x31.png)
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.