SUMARSONO, S. Supplier Development Program. Jurnal Pengadaan Indonesia, [S. l.], v. 1, n. 1, p. 26–29, 2022. DOI: 10.59034/jpi.v1i1.4. Disponível em: http://journal.iapi-indonesia.org/jpi/article/view/4. Acesso em: 8 jul. 2025.