Hasruddin, H, dan Elisa Lumbantungkup. “HIGHER ORDER THINKING AND CRITICAL THINKING SKILLS OF STUDENTS ON PLANT TISSUE”. Jurnal Pelita Pendidikan 9, no. 1 (Maret 31, 2021). Diakses Juli 5, 2025. https://jurnal.unimed.ac.id/2012/index.php/pelita/article/view/15329.