J. S. Brar and J. S. Bal, “Role of Paclobutrazol and Ethephon in Reproductive Growth of ’Allahabad Safeda’ Guava (Psidium guajava L.) Plants at Different Spacing”, J. Hortic. Sci., vol. 5, no. 2, pp. 128–133, Dec. 2010, doi: 10.24154/jhs.v5i2.461.