Christo Benedittus Sinaga UNIVERSITY OF NORTH SUMATERA Indonesia
Tarmidi Dadeh Department of Educational Psychology, Faculty of Psychology, University of North Sumatra Medan, Indonesia
Hasnida Hasnida Department of Educational Psychology, Faculty of Psychology, University of North Sumatra Medan, Indonesia
ResearcherID: J-1399-2016
DOI : 10.52155
Impact Factor:
ICV = 82.40
SJIF = 7.019
IFSIJ = 7.625
IJIFM = 7.36