Tambak S, Siregar R. Development of Higher Order Thinking Skills Through Project-Based Learning Methods: Pengembangan Keterampilan Berpikir Tingkat Tinggi Melalui Metode Pembelajaran Berbasis Proyek. halaqa [Internet]. 2023 Jun. 11 [cited 2025 Aug. 17];7(1):45-56. Available from: https://halaqa.umsida.ac.id/index.php/halaqa/article/view/1623