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vipin yadav idradutt
vipin yadav idradutt
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参考：
(11) انظر fao/unep, negotiating a sustainable future for land (rome and nairobi, 1997); sara j. scherr and satya yadav, "land degradation in the developing world: implications for food, agriculture and environment to 2020 ". 2020 vision - discussion paper 14 (washington, d.c. international food policy research institute, 1996.
11 see fao/unep, negotiating a sustainable future for land (rome and nairobi, 1997); sara j. scherr and satya yadav, "land degradation in the developing world: implications for food, agriculture and environment to 2020 ". 2020 vision discussion paper 14 (washington, d.c., international food policy research institute, 1996).