Maharani, I., Fitri, R., Fadhilla, M. and Selaras, G.H. 2022. Preliminary Phase: High Order Thinking Skills-Oriented Student Worksheets in Biology Subjects for Tenth-Grade Students. Thinking Skills and Creativity Journal. 5, 1 (Jan. 2022), 1–6. DOI:https://doi.org/10.23887/tscj.v5i1.38501.