Szarucki, Marek, and Gabriela Menet. “Service Marketing, Value Co-Creation and Customer Satisfaction in the Airsoft Industry: Case of a Technology-Based Firm”. Business, Management and Education 16 (July 13, 2018): 94-107. Accessed May 26, 2019. https://journals.vgtu.lt/index.php/BME/article/view/2138.