Gurning, Biworo Frida, Fauziyah Harahap, and Yusnadi Yusnadi. “Development of Experiment-Based Worksheet to Improve Critical Thinking in Human Respiration”. Inovasi Kurikulum 22, no. 3 (August 29, 2025): 1557–1574. Accessed August 23, 2025. https://ejournal-hipkin.or.id/index.php/jik/article/view/82.