来源:Ukrainian Journal of Ecology , 2017
作者:I. N. Sycheva, O. Yu. Voronkova
关键词:economic and mathematical modeling;organic produce;...
使用许可:CC BY
来源:Ukrainian Journal of Ecology , 2017
作者:I. N. Sycheva, O. Yu. Voronkova
关键词:economic and mathematical modeling;organic produce;...
使用许可:CC BY