Balan, V. “PURSE-SEINE AND BOAT-SEINE {JHANGU VALA) FISHERY FOR THE OIL SARDINE OFF COCHIN-1968-1971”. Indian Journal of Fisheries, vol. 20, no. 1, Nov. 2011, pp. 70-77, https://epubs.icar.org.in/index.php/IJF/article/view/12362.