MOCHAMAD FAJAR INSANI; ATIK PURMIYATI. TECHNICAL EFFICIENCY OF SAVING AND LOAN COOPERATIVES IN GERBANGKERTASUSILA, EAST JAVA PROVINCE: A TWO-STAGE ANALYSIS. East Java Economic Journal, [S. l.], v. 3, n. 2, p. 153–167, 2019. DOI: 10.53572/ejavec.v3i2.44. Disponível em: https://ejavec.id/index.php/ejavec/article/view/44. Acesso em: 17 apr. 2026.