Branzov, T., Maneva, N. Crowdfunding Business Models and Their Use in Software Product Development. Варна: ВСУ "Черноризец Храбър", 2014 7-16,.
Branzov, T., Maneva, N. Crowdfunding Business Models and Their Use in Software Product Development. Варна: ВСУ "Черноризец Храбър", 2014 7-16,.
Branzov, T., Maneva, N. (2014) Crowdfunding Business Models and Their Use in Software Product Development, Варна: ВСУ "Черноризец Храбър" 7-16,.
Branzov, T., & Maneva, N. (2014). Crowdfunding Business Models and Their Use in Software Product Development. Informatics in the Scientific Knowledge : International Scientific Conference, June 27-29 2014, Varna, Bulgaria (с. 7-16). Варна: ВСУ "Черноризец Храбър".
Branzov T, Maneva N. Crowdfunding Business Models and Their Use in Software Product Development. Варна: ВСУ "Черноризец Храбър"; 2014. p. 7-16.