Br Sitepu, Dea Jenita, I Made Sugiarta, and Ni Made Sri Mertasari. “Analisis Pengaruh Model Project-Based Learning Terhadap Kemampuan Berpikir Kritis Matematis Peserta Didik: Systematic Literature Review: Analysis of the Effect of Project-Based Learning on Students’ Mathematical Critical Thinking Skills: A Systematic Literature Review”. Citizen : Jurnal Ilmiah Multidisiplin Indonesia 6, no. 1 (February 28, 2026): 175–186. Accessed May 4, 2026. https://journal.das-institute.com/index.php/citizen-journal/article/view/1259.