I Wayan Sapta Edi, “Penerapan Model Pembelajaran Berbasis Masalah Untuk Meningkatkan Prestasi Belajar Produk Kreatif dan Kewirausahaan Siswa Kelas XI PH 1 SMK Werdhi Sila Kumara Tahun Pelajaran 2021/2022: Application of Problem-Based Learning Models to Improve Learning Achievement for Creative Products and Entrepreneurship for Class XI PH 1 Students of Werdhi Sila Kumara Vocational School Academic Year 2021/2022”, Arthas, vol. 4, no. 1, pp. 1-8, Mar. 2023.