N. P. Chernobrovkina, E. V. Robonen, K. M. Nikerova, N. A. Galibina, T. N. Makarova, and A. V. Repin, “DETERMINATION OF L-ARGININE CONTENT IN SCOTS PINE NEEDLES USING THE SAKAGUCHI TEST”, JCPRM, no. 3, pp. 245-254, Oct. 2020.