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Sulistyani, N and Utomo, B and Kristanto, Y D (2021) Emergency remote teaching experiences of mathematics educationlectures to address COVID-19 pandemic. Journal of Physics: Conference Series, 1806. pp. 1-7.
Kristanto, Y D and Santoso, E B (2020) Towards a mathematics textbook for supporting 21st century learning: The student perspective. Journal of Physics: Conference Series, 1657 (012037). pp. 1-9. ISSN 1742-6596
Kristanto, Y D and Utomo, B and Sulistyani, N (2020) Listening to the student voice on emergency remote teaching during the pandemic crisis. In: International Conference on Mathematics and Science Education of Universitas Pendidikan Indonesia, Universitas Pendidikan Indonesia.
Kristanto, Y D and Melissa, M M and Panuluh, A H (2019) Discovering the formal definition of limit through exploration in dynamic geometry environments. Journal of Physics: Conference Series (1180). pp. 1-6. ISSN 1742-6596
