“The Effect of Bulbs Size Lilium Longiflorum Thunb and the Type Fertilizer in Soil and Plant Content of Nutrients (N.P.K)”. Journal of Hama University 4, no. 3 (April 25, 2021). Accessed June 6, 2026. https://journal.hama-univ.edu.sy/huj/article/view/562.