Fitria, U., E. Kartini, M. Muaini, and S. Surahman. “THE INFLUENCE OF SMARTPHONE USAGE, LEARNING PATTERNS, AND LEARNING CULTURE ON LEARNING MOTIVATION THROUGH SELF EFFICACY IN HIGH SCHOOL STUDENTS IN SAMARINDA CITY”. Prima Magistra: Jurnal Ilmiah Kependidikan, vol. 6, no. 4, Aug. 2025, pp. 511-24, doi:10.37478/jpm.v6i4.5651.