S. PAL, A. V. BARAD, A. K. SINGH, B. S. KHADDA, and D. KUMAR, “Effects of foliar application of FeSO4 and ZnSO4 on leaf tissue nutrients of gerbera (Gerbera jamesonii) varieties under protected condition”, Indian J Agri Sci, vol. 87, no. 1, pp. 102–106, Jan. 2017, doi: 10.56093/ijas.v87i1.67125.