Hariharakrishnan, A. (1970). Polytechnic ganitham. State Instititute of Languages.
Chicago Edition CitationHariharakrishnan, A. Polytechnic Ganitham. Thiruvananthapuram: State Instititute of Languages, 1970.
MLA Edition CitationHariharakrishnan, A. Polytechnic Ganitham. State Instititute of Languages, 1970.
Warning: These citations may not always be 100% accurate.