BAKAR, Omar; MOHD, Ismail. Pengoptimuman Masalah Perjalanan Jurujual. MATEMATIKA, [S. l.], v. 6, p. 49–67, 1990. DOI: 10.11113/matematika.v6.n.26. Disponível em: https://matematika.utm.my/index.php/matematika/article/view/26. Acesso em: 2 may. 2024.