Gopejenko, V., Kozmina, Y. Simulation Model the Dynamics of the System Arising from Interaction of Tourism with the Local Environment. Варна: ВСУ "Черноризец Храбър", 2014 53-62,.
Gopejenko, V., Kozmina, Y. Simulation Model the Dynamics of the System Arising from Interaction of Tourism with the Local Environment. Варна: ВСУ "Черноризец Храбър", 2014 53-62,.
Gopejenko, V., Kozmina, Y. (2014) Simulation Model the Dynamics of the System Arising from Interaction of Tourism with the Local Environment, Варна: ВСУ "Черноризец Храбър" 53-62,.
Gopejenko, V., & Kozmina, Y. (2014). Simulation Model the Dynamics of the System Arising from Interaction of Tourism with the Local Environment. Informatics in the Scientific Knowledge : International Scientific Conference, June 27-29 2014, Varna, Bulgaria (с. 53-62). Варна: ВСУ "Черноризец Храбър".
Gopejenko V, Kozmina Y. Simulation Model the Dynamics of the System Arising from Interaction of Tourism with the Local Environment. Варна: ВСУ "Черноризец Храбър"; 2014. p. 53-62.