Noening Andrijati, Heri Retnawati, Sudiyatno. Analysis of Item Characteristics in Elementary School Mathematics Reasoning Assessment Using Item Response Theory with the Generalized Partial Credit Model. kuey [Internet]. 2024 Apr. 21 [cited 2024 May 18];30(4):3799-810. Available from: http://kuey.net/index.php/kuey/article/view/2129