“... graders (primary education) enrolled in 1,497 classroom of urban schools in Argentina. Multilevel linear...”
সম্পূর্ণ পাঠ পাওয়ার জন্য

“..., in the mathematics and language subjects, at the end of middle school education in Argentina. It has been used, all...”
সম্পূর্ণ পাঠ পাওয়ার জন্য

“..., and the mathematics achievement of students in the last year of high school in Argentina. The data used came from...”
সম্পূর্ণ পাঠ পাওয়ার জন্য