Guspina Rinawati Sababalat et al. 2026. The Influence of Student Characteristics, Student Readiness to Learn, Learning Concentration, Teacher Teaching Quality, and Educational Costs on the Learning Achievement of Class X E Students in Economics Subject. Journal of Practice Learning and Educational Development . 6, 2 (May 2026), 1477–1488. DOI:https://doi.org/10.58737/jpled.v6i2.857.