(1982). Annual plan proposals 1983-84. Govt.Of Kerala.
Chicago Style aipamenaAnnual Plan Proposals 1983-84. Thiruvananthapuram: Govt.Of Kerala, 1982.
MLA aipamenaAnnual Plan Proposals 1983-84. Govt.Of Kerala, 1982.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.