H. K. R. S. Kumara, K. S. S. Atapaththu, S. S. Herath, N. P. Vidanapathirana, and M. M. K. I. Marasinghe, “Optimizing paddy spacing for co-production: effects on rice-fish yields and soil-water quality in integrated farming systems”, J Fish, vol. 13, no. 3, p. 133207, Sep. 2025.