SHAKESHEV, M. T.; KORULKIN, D. Yu.; NAURYZBAEV, M. K.. Tannin quantification in industrial waste of tobacco production and selection of optimal extraction parameters. International Journal of Biology and Chemistry, [S.l.], v. 8, n. 2, p. 81-84, dec. 2015. ISSN 2409-370X. Available at: <http://ijbch.kaznu.kz/index.php/kaznu/article/view/195>. Date accessed: 22 aug. 2018. doi: https://doi.org/10.26577/2218-7979-2015-8-2-81-84.