GLUSHKOVA Т., & BARABASH С. (2009). Improvement of paper properties for notebooks with the use of compositions of fibrous half-finished products. "INTERNATIONAL·SCIENTIFIC-·PRACTICAL·JOURNAL·COMMODITIES·AND·MARKETS", 6(2), 129–134. etrieved from https://journals.knute.edu.ua/commodities-and-markets/article/view/1746