Putra, Eric Dwi, and Ria Amalia. “Upaya Meningkatkan Kemampuan Berpikir Kritis Mahasiswa Melalui Pembelajaran Discovery Learning Berbasis Assessment Learning”. Journal of Education and Learning Mathematics Research (JELMaR), vol. 1, no. 1, May 2020, pp. 57-64, https://jelmar.wisnuwardhana.ac.id/index.php/jelmar/article/view/62.