R. S. SPEHIA, V. SHARMA, J. N. RAINA, and R. K. BHARDWAJ, “Growth, yield and economics of greenhouse grown coloured capsicum as influenced by trellis system and plant spacing”, Indian J Agri Sci, vol. 84, no. 6, pp. 742–5, Jun. 2014, doi: 10.56093/ijas.v84i6.41476.