NGOC, N. T. B.; DUY, N. V. Impact of provincial competitiveness index (PCI) on economic development in the Red River Delta, Vietnam. Jurnal Ekonomi & Studi Pembangunan, [S. l.], v. 24, n. 2, p. 259–269, 2023. DOI: 10.18196/jesp.v24i2.18163. Disponível em: https://journal.umy.ac.id/index.php/esp/article/view/18163. Acesso em: 3 sep. 2025.