Yermagambetova, M., Kusmangazinov, A., Kurmanbayeva, M., AND Höhn, M.. " Study of changes in anatomical structures of young needles Picea schrenkiana Fisch et C.A. Mey and shoots of Haloxylon bunge species in Kazakhstan" International Journal of Biology and Chemistry [Online], Volume 13 Number 1 (15 August 2020)