Dwijayanti R, Soesilowati E, Handayati P. The Effectiveness of Student’s Worksheet Based On 21st Century Learning Skills to Improve Critical Thinking Skills. Stud. Learn. Teach. [Internet]. 2023Jan.22 [cited 2026Aug.6];3(3):163-9. Available from: https://scie-journal.com/index.php/SiLeT/article/view/111