WIBOWO, Antonius Tri, SYAFITRI, Asna and IWANDANA, Dody Tri. Psychological Characteristics of PSIM Yogyakarta Players in Wading the League 2 Soccer Competition in 2019/2020. Quality in Sport. Online. 27 October 2019. Vol. 5, no. 3, pp. 62-68. [Accessed 4 May 2024]. DOI 10.12775/QS.2019.018.