Mochamad Fajar Insani, Atik Purmiyati. TECHNICAL EFFICIENCY OF SAVING AND LOAN COOPERATIVES IN GERBANGKERTASUSILA, EAST JAVA PROVINCE: A TWO-STAGE ANALYSIS. EJAVEC [Internet]. 2019 Sep. 25 [cited 2026 Apr. 17];3(2):153-67. Available from: https://ejavec.id/index.php/ejavec/article/view/44