Malkit Singh, et al. “Optimization of Nitrogen Application and Planting Geometry for Production of Cut Chrysanthemums (Chrysanthemum Morifolium Ramat.)”. Journal of Horticultural Sciences, vol. 17, no. 2, Dec. 2022, pp. 363-70, https://doi.org/10.24154/jhs.v17i2.1109.