Kim, J.-H., H. J. Oh, S. Y. Kim, and G. U. Suh. “Influence of 6-Benzylaminopurine Spray Time After Pinching on Growth and Flowering of Veronica Dahurica Steven”. Advances in Horticultural Science, vol. 36, no. 1, Sept. 2021, pp. 81-86, doi:10.36253/ahsc-10158.