Greize, Laura, and Diana Apele. “BOOK COVER SURVEY DESIGN – BOOK SALE INSTRUMENT”. ARTS AND MUSIC IN CULTURAL DISCOURSE. Proceedings of the International Scientific and Practical Conference (January 23, 2018): 92–98. Accessed April 21, 2024. https://journals.rta.lv/index.php/AMCD/article/view/2822.