Assayidiyah, Bahiyatul Firdausy, Asep Ginanjar Arip, and Sofyan Hasanuddin Nur. 2021. “Pengaruh Aktivitas Belajar Siswa Menggunakan Model Problem Based Learning Terhadap Kemampuan 4c (Collaboration, Communication, Critical Thinking, Creative Thinking) Siswa Pada Materi Sistem Pernapasan Di SMA”. Edubiologica: Jurnal Penelitian Ilmu Dan Pendidikan Biologi 9 (2), 8-15. https://doi.org/10.25134/edubiologica.v9i2.10238.