National index of agril. field experiment: Central institutes, 1954-59
Inst. of Agril. Res. Stat.
National index of agril. field experiment: Central institutes, 1954-59 - New Delhi ICAR 1965 - 666
R630.954 / I-5N
National index of agril. field experiment: Central institutes, 1954-59 - New Delhi ICAR 1965 - 666
R630.954 / I-5N