Refbacks
- There are currently no refbacks.
Melyani Sari sitepu
Fak. Keguruan dan Ilmu Penddidikan, Universitas Muhammadiyah Sumatera Utara,
Indonesia
Karina Wanda
Fak. Keguruan dan Ilmu Penddidikan, Universitas Muhammadiyah Sumatera Utara,
Indonesia
For Author
Indexed By :
Publisher :
UM-Tapsel Press : Institusional Publisher, Jl. Stn Mhd Arief No 32 Kota Padangsidimpuan, Sumatera Utara. Telp/Fax 063421696. e-mail : press@um-tapsel.ac.id. site: http://um-tapsel.ac.id Klik for more information
This work is licensed under a Creative Commons Attribution 4.0 International License.