Nurhayati N, Angraeni L. Analisis Kemampuan Berpikir Tingkat Tinggi Mahasiswa (Higher Order Thinking) dalam Menyelesaikan Soal Konsep Optika melalui Model Problem Based Learning. jpppf [Internet]. 2017Dec.30 [cited 2025May5];3(2):119 -26. Available from: http://103.8.12.212:33180/unj/index.php/jpppf/article/view/3915