Yuniawatika, Lilik Bintartik, Harti Kartini, Sri Estu Winahyu, Ibrahim Sani Ali Manggala. Item Analysis Training Problems with Software to Improve Teacher’s Competencies in Blitar. jpmm [Internet]. 2020 Jun. 25 [cited 2024 Nov. 22];4(1):107-21. Available from: https://journal.unj.ac.id/unj/index.php/jpm/article/view/13370