Science and rural development in mountains : ecological , socio-economical and technological aspects
Science and rural development in mountains : ecological , socio-economical and technological aspects
edited by J.S. Singh, S.P. Singh and C. Shastri
- Nainital gyanodaya Prakashan c1981
- xv,464p.; 22cm.
309.26309143 / SIN
309.26309143 / SIN