HOW IS THE IMPACT OF INSTRUCTIONAL LEARNING USING AN ETHNOSCIENCE APPROACH?; ANALYSIS OF THE CONTRIBUTION OF STUDENTS’ CREATIVE THINKING SKILLS . SPEKTRA [Internet]. 2024 Apr. 30 [cited 2026 May 28];10(1):172-84. Available from: https://ojs.unsiq.ac.id/index.php/spektra/article/view/11129