Singhal, O P.
Elements of agricultural engineering, Vol. 1 & 2 / Textual Documents O P Singhal. - 1 / . - Allahabad : Saroj Prakashan , 1997. - 147 ; . - 1-
04-7092-076-8 125.00
630 / SIN/EL
Elements of agricultural engineering, Vol. 1 & 2 / Textual Documents O P Singhal. - 1 / . - Allahabad : Saroj Prakashan , 1997. - 147 ; . - 1-
04-7092-076-8 125.00
630 / SIN/EL