Ecseri, K., Ágoston, J., Hüvely, A., Pető, J., & Honfi, P. (2018). Investigation of phenological development of some ephemeral annual ornamental plants in regard to nitrogen application. Review on Agriculture and Rural Development, 6(1-2), 57–62. https://doi.org/10.14232/rard.2017.1-2.57-62