WIBOWO, S. E. Kesalahan Ejaan dan Ketidakbakuan Kata pada Karangan Mahasiswa Progdi PJKR UNSIKA: Spelling Errors and Inaccuracies in Word Usage in Essays by Physical Education Health Recreation Students at UNSIKA. Wacana : Jurnal Bahasa, Seni, dan Pengajaran, v. 2, n. 1, p. 20-28, 22 Apr. 2018.