T. V. Sathianandan, S. Kuriakose, K. G. Mini, G. George, and P. U. Zacharia, “Trends in abundance of marine fishery resources in India examined through dynamic factor analysis”, Indian J. Fish., vol. 63, no. 2, Jun. 2016, doi: 10.21077/ijf.2016.63.2.47463-03.