Annur, Muhammad Firman, Pradipta Annurwanda, and Siti Suprihatiningsih. 2018. “The Development of Guided Inquiry-Based Mathematics Student’s Worksheet on Algebra Material in Eighth Grade Students in SMP / MTs in Landak Regency”. Unnes Journal of Mathematics Education 7 (2), 95-99. https://doi.org/10.15294/ujme.v7i2.25365.