Köksal, N., Yasemin, S. and Özkaya, A. (2017) “The Effects of Photoperiodism on Growth and Flowering of Marigold (Tagetes erecta)”, Turkish Journal of Agriculture - Food Science and Technology, 5(10), pp. 1189–1193. doi: 10.24925/turjaf.v5i10.1189-1193.1341.