Hidayat, M. (2022) “Improving students’ spatial thinking ability by applying the ‘blended learning-rigorous mathematical thinking’ model in learning”, 12 Waiheru, 8(1), pp. 104–113. Available at: https://journal.bdkambon-kemenag.id/index.php/12waiheru/article/view/26 (Accessed: 19 May 2026).