L. Agus Sukamto, R. Lestari, and W. Utami Putri, “The Effect of Bio-Fertilizers on Plant Growth and Growth Rate of Grafted Avocado (Persea americana Mill.)”, Int. J. Adv. Sci. Eng. Inf. Technol., vol. 4, no. 4, pp. 205–214, Aug. 2014.