. HASRATUDDIN. Study on Weakness Analysis Learning Mathematics Junior High School in Medan . Current Topics on Mathematics and Computer Science Vol. 11, [S. l.], p. 111–119, 2021. DOI: 10.9734/bpi/ctmcs/v11/12484D. Disponível em: https://stm.bookpi.org/CTMCS-V11/article/view/3985. Acesso em: 4 jun. 2026.