Puspitasari, R. O., & Wulandari, S. S. (2022). Pengaruh Model Project Based Learning (PjBL) terhadap Kemampuan Berpikir Tingkat Tinggi Siswa Kelas XI OTKP di SMKS Ketintang Surabaya. Journal of Office Administration : Education and Practice, 2(1), 12–19. https://doi.org/10.26740/joaep.v2n1.p12-19