Implementation of the web-based learning in PhD education. - Valentina Terzieva; Katia Todorova; Lilia Simeonova (CompSysTech, 2004)

Using MS reporting services to promote reuse of learning objects. - Valentina Terzieva; Katia Todorova (CompSysTech, 2007)

Utility and Optimal Usage of ICT in Schools. - Valentina Terzieva; Katia Todorova; Yuri Pavlov; Petia Kademova-Katzarova (CompSysTech, 2017)

Study on the Optimal Usage of Active and Passive Technology-Based Teaching Resources. - Valentina Terzieva; Yuri Pavlov; Katia Todorova; Petia Kademova-Katzarova (ArtsIT/DLI, 2018)

Computer Vision and Internet of Things: Attention System in Educational Context. - Teodor Savov; Valentina Terzieva; Katia Todorova (CompSysTech, 2018)

Teachers' Preferable Attributes of E-Learning Resources. - Valentina Terzieva; Elena Paunova-Hubenova; Katia Todorova; Petia Kademova-Katzarova (ArtsIT/DLI, 2019)

Blending Technology-based Teacher-led and Student-centered Approaches in STEM Education. - Valentina Terzieva; Katia Todorova; Yuri Pavlov; Petia Kademova-Katzarova (CompSysTech, 2020)

Modeling Students' Learning Performance and Their Attitudes to Mobile Learning. - Malinka Ivanova; Tatyana Ivanova; Valentina Terzieva; Katia Todorova (IMCL, 2021)

Learning Analytics - Survey and Practical Considerations for Intelligent Education. - Malinka Ivanova; Valentina Terzieva; Tatyana Ivanova; Katia Todorova (IMCL, 2021)

Personalized Learning in an Intelligent Educational System. - Valentina Terzieva; Tatyana Ivanova; Katia Todorova (NiDS, 2022)