Teachers' Difficulties in Implementing Distance Learning during Covid-19 Pandemic. - Nana Diana; Suhendra Suhendra; Yohannes Yohannes (ICETC, 2020)

The Evaluation of Problem-Based Learning Model Towards High School Students' Critical Thinking Skills: A Meta-Analysis Study in Indonesia. - Yohannes Yohannes; Dadang Juandi; Nana Diana (ICETC, 2020)