S.K. CHONGTHAM, R.P. SINGH, and R.K. SINGH, “Effect of crop establishment methods and weed management practices on weed flora and yield of direct-seeded rice (Oryza sativa)”, IJA, vol. 61, no. 1, pp. 33–36, Oct. 2001, doi: 10.59797/ija.v61i1.4342.