Andhra University, Waltair, Available Volumes: Vol.58,1974;Vol.59-63,1975-1979 Cochin University of Science & Technology, Cochin, Available Volumes: Vol.62,1978 Cochin University of Science & Technology, Cochin, Available Volumes: Vol.62,1978+ The Maharaja Sayajirao University of Baroda, Vadodara, Available Volumes: Vol.48-75,1964-91
