共 6 条
[1]
[Anonymous], 2013, J ACTUAL PROBLEMS HU, V8, P322
[2]
Babble E.R., 2006, The practice of social research, V11th
[3]
Council of the European Union, 2011, COUNC RES REN EUR AD
[4]
Dzenite I., 2018, P 17 TH C APPL MATH, P316
[5]
Eisenberger K., 2005, HOCHSCHULEN SPANNUNG, P39
[6]
Stunda-Zujeva A., 2016, RTU METHODOLOGICAL C