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1प्रकाशित 1986विषय “...Telecommunication Security measures Congresses....”
सम्मेलन की कार्यवाही पुस्तक -
2प्रकाशित 1984विषय “...Signal theory (Telecommunication)...”
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3
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4प्रकाशित 1987विषय “...Telecommunication systems Great Britain Congresses....”
सम्मेलन की कार्यवाही पुस्तक -
5प्रकाशित 1986विषय “...Telecommunication Data processing Congresses....”
पुस्तक -
6International Conference on the ISDN and Its Impact on Information Technology : 14-16 January 1985 /प्रकाशित 1985विषय “...Telecommunication systems Congresses....”
पुस्तक