Karim, N. A. (1997). Sahakarana niyamangal. State Institute of Languages.
Chicago Edition CitationKarim, N. A. Sahakarana Niyamangal. Thiruvananthapuram: State Institute of Languages, 1997.
MLA Edition CitationKarim, N. A. Sahakarana Niyamangal. State Institute of Languages, 1997.
Warning: These citations may not always be 100% accurate.