Nguyen TD, Pham HL, Le TTT. DESIGNING A CORRECTIVE EXERCISE SYSTEM ADDRESSING SPELLING ERRORS AMONG JRAI STUDENTS IN GRADES 1 TO 3 IN IA HRUNG COMMUNE, GIA LAI PROVINCE. TCKH ĐHSP TPHCM TPHCM. 2026;23(1):38-48. doi:10.54607/hcmue.js.23.1.4297(2026)