00602nam a2200145Ia 4500 190328s9999||||xx |||||||||||||| ||und|| NITIL NITIL 21st 333.73 I61P International Crops Research Institute for the semi-Arid Tropics (Andhra Pradesh) Proceedings International workshop on socioeconomic constraints to development of semi-arid tropical agriculture, 19-23 February 1979, Hyderabad Andhra Pradesh ICRISAI 1980 x, 434p. Arid regions agriculture; Rural development; Agriculture-Tropics BKS 1450 1450 0 0 DDC 0 0 NITIL NITIL 2019-04-02 0 333.73 I61P 106198 2019-04-02 00:00:00 2019-04-02 BKS