Sugiharto, S. 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 2016, 16, 28-39.