University of Calicut, Kozhikode, Available Volumes: NULL, Year: 2004 Kannur University, Available Volumes: NULL, Year: 2004 University of Kerala, Thiruvanathapuram, Year: 2013 Kannur University, Available Volumes: 1999-2001 University of Kerala, Thiruvanathapuram, Available Volumes: Vol. ,1969-1982;Vol.1,1986-1998
