Tarigan, R., F. Manik, and S. Barus. “The Effect of Shallot Bulbs Storage Duration and Paclobutrazol Treatments to Disease Attacks on Shallot Plant in Karo Highlands”. JERAMI : Indonesian Journal of Crop Science, Vol. 1, no. 2, Feb. 2019, pp. 8-15, doi:10.25077/jijcs.1.2.8-15.2019.