Jha, V. N. e. TTA Telecom technical assistant recruitment examination: BSNL: a comprehensive manual. Unique Publishers.
シカゴスタイル引用形Jha, V N; ed. TTA Telecom Technical Assistant Recruitment Examination: BSNL: A Comprehensive Manual. New Delhi: Unique Publishers.
MLA引用形式Jha, V N; ed. TTA Telecom Technical Assistant Recruitment Examination: BSNL: A Comprehensive Manual. Unique Publishers.
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