1. Afshari, H., Zahedi, R., Parvaneh, T., and Zadeh Bagheri, M. (2014). Influence of salicylic acid on proline levels, soluble sugars and ion leakage of two apricot cultivars under cold stress. J. Crop. Improv. 16(1), 127-138 (in Persian with an abstract in English).
2. Evaluated of effect of cold stress on proline, malondialdehyde and photosynthetic pigments in seedling stage of sesame (Sesamum indicum L;Aki;) genotypes J Crop Breed 8(18) 166-175 (in Persian with an abstract in English),2016
3. Anjum, S.A., Xie, X., Wang, L., Saleem, M.F., Man, C., and Lei, W. (2011). Morphological, physiological and biochemical responses of plants to drought stress. Afr. J. Agric. Res. 6(9), 2026-2032.
4. Arias, N.S. (2015). Respuestas morfo-?siológicas a bajas temperaturas y disponibilidad de agua en variedades de Olea europaea L. Ph.D. thesis (Argentina: Universidad Nacional del Comahue).
5. Comparing image (fractal analysis) and electrochemical (impedance spectroscopy and electrolyte leakage) techniques for the assessment of the freezing tolerance in olive;Azzarello;Trees,2009