21. XI International Congress, the Use of Plastics in Agriculture, 26th February-2nd March 1990, New Delhi, India
المؤلف: / organised by National Committee on the Use of Plastics in Agriculture, Department of Chemicals and Petrochemicals, Ministry of Petroleum and Chemicals, New Delhi, India
المکتبة: كتابخانه مركزي و مركز اسناد دانشگاه شهيد چمران (خوزستان)
موضوع: Plastics in agriculture- Congresses
رده :
S494
.
5
.
P5
,
I58
1990
