& et al, Khierallah. “EFFECT OF POLYETHYLENE GLYCOL AND SALICYLIC ACID ON SOME VEGETATIVE GROWTH TRAITS OF DATE PALM TISSUE CULTURE DERIVED PLANTS”. IRAQI JOURNAL OF AGRICULTURAL SCIENCES, vol. 47, no. 6, Dec. 2016, https://doi.org/10.36103/ijas.v47i6.465.