(1)
Lumban Gaol, R.; Siregar, J. A.; Siagian, A. E. S.; Sembiring, M. G.; Galingging, E. R. EFFORTS TO DEVELOP INTEREST IN LEARNING MATHEMATICS USING THE DISCOVERY LEARNING MODEL FOR STUDENTS OF GRADE IV AT SD KARTIKA I-1 MEDAN. JLE 2025, 1, 184-191.