Ābele, L. ., Barute, D., Ulmane-Ozoliņa, L., & Rivža, B. (2021). Blended learning in lifelong adult education in the aspects of covid-19 epidemical restriction. Landscape Architecture and Art, 19(19), 140–146. https://doi.org/10.22616/j.landarchart.2021.19.14