Ziyadi A, Surya E. Use of Model Mind Mapping of Motivation to Improve Student Achievementin Math Class Materials Integer V Elementary School 200201 Padangsidimpuan State. IJSBAR. 2017;34(3):124-133. Accessed October 4, 2025. https://gssrr.org/JournalOfBasicAndApplied/article/view/7534