ENDAR KUMALASARI. Technical Efficiency and Downstreaming in Indonesia’s Basic Metal Industry: A Stochastic Frontier Analysis Approach. JURNAL ECONOMINA, [S. l.], v. 5, n. 7, p. 4175–4186, 2026. DOI: 10.55681/economina.v5i7.3228. Disponível em: https://ejournal.45mataram.ac.id/index.php/economina/article/view/3228. Acesso em: 5 aug. 2026.