MUSTIKA, Rekma. Hubungan self confidence dan adversity quotient terhadap kemampuan pemecahan masalah matematik siswa. Jurnal Penelitian Pendidikan, [S. l.], v. 18, n. 2, p. 220–230, 2018. DOI: 10.17509/jpp.v18i2.12964. Disponível em: https://ejournal-dppm.upi.edu/jpp/article/view/476. Acesso em: 1 aug. 2026.