Anthony Firdaus, Yula Miranda and Soaloon M Sinaga (2020) “Implementasi Model PjBL terhadap Peningkatan Keterampilan Proses Sains dan Sikap Ilmiah Siswa Kelas VIII SMP”, Journal of Environment and Management, 1(3), pp. 259–266. doi: 10.37304/jem.v1i3.2572.