Refbacks

  • There are currently no refbacks.


Copyright (c) 2023 Abisag Rina Situmorang, Dwira May Situmorangb, Imelda Oppusunggu, Novita Forena Simanungkalit, Veronika MR Silalahi, Herman Herman

Creative Commons License
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.