. F, Illa M, . E, Subali B. Development of Structured Essay Questions to Measure the Student Higher-order Thinking Skills at Senior High School 2 Purworejo. KSS [Internet]. 2024Apr.3 [cited 2024Jul.17];9(8):725–732. Available from: https://knepublishing.com/index.php/KnE-Social/article/view/15638