1. Mahanal S., Zubaidah S., Bahri A., Dinnurriya MS. Improving students’ critical thinking skills through Remap NHT in biology classroom. Asia-Pacific Forum Sci Learn Teach. 2016;2016(17).
2. Zubaidah S. Keterampilan Abad Ke-21: Keterampilan yang Diajarkan Melalui Pembelajaran. Semin Nas Pendidik dengan tema “Isu-isu Strateg Pembelajaran MIPA Abad 21. 2016;(Desember):1–17.
3. Lie A. Cooperative Learning Mempraktikkan Cooperative Learning di ruang-ruang kelas. Jakarta: Grasindo; 2007.
4. Greenstein L. Assessing 21st Century Skill: A Guide to Evaluating Mastery and Authentic Learning. United States of America: Corwin A Sage Company; 2012.
5. Stereochemistry of the Cycloaddition of Sulfonyl Isocyanates andN-Sulfinylsulfonamides to Enol Ethers