DOĞRAMACI, S.,  & ARSLAN, N. (2018). Effects of General and Specific Combining Ability on Some Traits of Opium (Papaver somniferum L.) Cultivars and Their Reciprocal Crosses. <i>Biotech Studies</i>, <i>27</i>,  102-108. http://doi.org/10.21566/tarbitderg.501708