Automated Assessment of Lower and Higher-Order Thinking Skills Using Artificial Intelligence Methods. - Emil Hadzhikolev; Stanka Hadzhikoleva; Kostadin Yotov; Maria Borisova (ICT Innovations, 2021)

A Method for Extrapolating Continuous Functions by Generating New Training Samples for Feedforward Artificial Neural Networks. - Kostadin Yotov; Emil Hadzhikolev; Stanka Hadzhikoleva; Stoyan Cheresharov (Axioms, 2023)