Sumarni, A., and A. Annurrullah Fajrin. “IMPLEMENTASI FRAMEWORK FLUTTER APLIKASI PEMBUKUAN PENGHASILAN TOKO RUMAH REZEKI KARPET BERBASIS ANDROID”. Computer and Science Industrial Engineering (COMASIE), vol. 7, no. 2, Oct. 2022, pp. 39-51, https://ejournal.upbatam.ac.id/index.php/comasiejournal/article/view/5816.