The role of social capital in network business sustainability (case study of a group of product marketers using a network system in Ponorogo). BIS Economics and Business, [S. l.], v. 2, p. V225030, 2025. DOI: 10.31603/biseb.280. Disponível em: https://unimma.press/conference/index.php/biseb/article/view/280. Acesso em: 8 jun. 2025.