STUDIES ON THE ROOT ANATOMY OF RUBBER PRODUCING ENDEMIC OF KAZAKHSTAN, TARAXACUM KOK-SAGHYZ L.E. RODIN - . B. khmetova; N. M. Mukhitdinov; A. Ydyrys; A. A. metov; Z. A. Inelova; M. Öztürk (Journal of Animal and Plant Sciences, 2018)