Silalahi, T., Florentina, L., Sitanggang, G., Hanu, L., & Sihombing, H. (2020). THE INFLUENCE OF CRITICAL THINKING SKILLS AND INTERNET USAGE ON HIGH SCHOOL STUDENT ACHIEVEMENT IN ECONOMIC SUBJECT. International Journal of Economic, Technology and Social Sciences (Injects), 1(2), 167–178. https://doi.org/10.53695/injects.v1i1.557