1. Partnership for 21st Century Skills, The road to the 21st century: A policymakers guide to 21st-century skills, Available: http://p21.org/tools-and-resources/ publications/925, pp. 1–9 (2007).
2. S. Zubaidah, “STEAM (Science, Technology, Engineering, Arts, and Mathematics): Pembelajaran untuk Memberdayakan Keterampilan Abad ke-21,” Conference Paper: Seminar Nasional Matematika dan Sains, Universitas Wiralodra Indramayu, 19 September 2019, pp. 1–18.
3. Developing biology students’ worksheet based on STEAM to empower science process skills
4. Firman, “Dampak Covid-19 terhadap Pembelajaran di Perguruan Tinggi,” Bioma, 2 (1), pp. 14–20 (2020).
5. Proses dan Kendala Pembelajaran Biologi di Masa Pandemi Covid-19: Analisis Respon Mahasiswa