Wijaya, Tony, et al. “EXPLORING THE PROBLEMS FACED BY PRACTITIONERS OF MICRO, SMALL, AND MEDIUM ENTERPRISES (MSMEs) IN YOGYAKARTA”. Jurnal Manajemen Dan Kewirausahaan, vol. 19, no. 1, Mar. 2017, pp. 38-45, doi:10.9744/jmk.19.1.38-45.