A. K. A. J. M. Saeed and C. A. Mahmoud, “The response of chrysanthemum plant cv. ’Debonair’ to pinching date and leaves spraying with tyrosine”, JAEVS, vol. 1, no. 3, pp. 28–14, Sep. 2017, doi: 10.26389/AJSRP.K240817.