Lastari DW, Kartini K. Analysis of Student Errors in Solving Problems with Positive and Negative Integers. J. Math Educ. Nusant. Wahana Publ. Karya Tulis Ilm. di Bid. Pendidik. Mat. [Internet]. 2022Nov.30 [cited 2024Nov.22];8(2):189-01. Available from: https://ojs.unpkediri.ac.id/index.php/matematika/article/view/18308