S. Sugiharto, “Perbedaan Ketidakwajaran Skor Berdasarkan Teori Respon Butir ditinjau dari Model Penskoran Jawaban Siswa SMP se Kota Palangka Raya: Difference of Unfair Score Based on the Item Response Theory (IRT) Reffered to the Model of Students’ Answers Scoring of Junior High School Sthroughout the City of Palangka Raya”, Anterior J, vol. 16, no. 1, pp. 28–39, Dec. 2016.