Authors
Ieva Delvere
Institute of Energy Systems and Environment, Riga Technical University, Riga, Latvia
Marija Iltina
Institute of Applied Mathematics, Riga Technical University, Riga, Latvia
Maxat Shanbayev
Institute of Chemical and Biological Technologies, K. Satbayev Kazakh National Technical University, Almaty, Kazakhstan
Aray Abildayeva
Institute of Chemical and Biological Technologies, K. Satbayev Kazakh National Technical University, Almaty, Kazakhstan
Svetlana Kuzhamberdieva
Kyzylord State University, Qızılorda, Kazakhstan
Dagnija Blumberga
Institute of Energy Systems and Environment, Riga Technical University, Riga, Latvia