, No. 1-6
B. Joga Rao R & D Digest : A Bi-Monthly Journal of R & D Organisation, Ministry of Defence , February, 1969 P. 1-132 : V. 10
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B. Joga Rao, . 1969. R & D Digest. : .
B. Joga Rao, . R & D Digest. : . 1969.