College of Agricultural Sciences

A. Dobreva, Kovatcheva, N., Astatkie, T., and Zheljazkov, V. D., “Improvement of essential oil yield of oil-bearing (Rosa damascena Mill.) due to surfactant and maceration”, Industrial Crops and Products, vol. 34, no. 3, pp. 1649 - 1651, 2011.

V. D. Zheljazkov, Astatkie, T., Shiwakoti, S., Poudyal, S., Horgan, T., Kovatcheva, N., and Dobreva, A., “Essential Oil Yield and Composition of Garden Sage as a Function of Different Steam Distillation Times”, HortScience, vol. 49, no. 6, 2014.

V. D. Zheljazkov, Astatkie, T., Shiwakoti, S., Poudyal, S., Horgan, T., Kovatcheva, N., and Dobreva, A., “Essential Oil Yield and Composition of Garden Sage as a Function of Different Steam Distillation Times”, HortScience, vol. 49, pp. 785-790, 2014.