Sytin V.G. «ELECTRONIC EDUCATIONAL RESOURCES In PHYSICS TEACHING: GENERAL And ESPECIAL» // Open and distance education 2012. №1 (45) C.36-41
Khromykh O.V., Khromykh V.V. «DIGITAL ELEVATION MODELING IN RESEARCH AND EDUCATIONAL PROJECTS (E-LEARNING TECHNOLOGIES)» // Open and distance education 2018. №1(69) C.47-55
