SARJONO, Haryadi. Metode Perhitungan Angka Indeks Produktivitas Menggunakan Model Marvin E Mundel. Journal The Winners, [S. l.], v. 2, n. 1, p. 18–24, 2001. DOI: 10.21512/tw.v2i1.3797. Disponível em: https://journal.binus.ac.id/index.php/winners/article/view/3797. Acesso em: 5 jul. 2025.