Mayangsari, Dian, Nahadi ., and Harry Firman. “Development and Validation of a Virtual Test Based on Three Level Chemical Representation to Measure Student Understanding of Hydrolysis of Salt”. KnE Social Sciences 9, no. 8 (April 3, 2024): 291–298. Accessed July 17, 2024. https://knepublishing.com/index.php/KnE-Social/article/view/15562.