1.
Said Ali Akbar. The Correlation Between Students’ Formal Thinking Skills And The Capability To Solve Chemistry Olympiad Problems . JSI [Internet]. 2024 Feb. 6 [cited 2025 Dec. 2];23(1):12-23. Available from: https://jurnal.serambimekkah.ac.id/index.php/serambi-ilmu/article/view/948