HIDAYATI, Y. M. .; SA’DIJAH , C. .; ABD QOHAR, . S. Combinatorial Thinking to Solve the Problems of Combinatorics in Selection Type. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 18, n. 2, p. 65–75, 2019. Disponível em: http://ijlter.myres.net/index.php/ijlter/article/view/595. Acesso em: 12 jan. 2026.