College of Agricultural Sciences

V. D. Zheljazkov, Yankov, B., and Topalov, V., “Comparison of Three Methods of Mint Propagation and Their Effect on the Yield of Fresh Material and Essential Oil”, Journal of Essential Oil Research, vol. 8, no. 1, pp. 35 - 45, 1996.

V. D. Zheljazkov, Yankov, B., and Topalov, V., “Effect of Mechanical and Chemical Weed Control on the Growth, Development and Productivity of Mentha piperita and M. arvensis var. piperascens Grown for Planting Material”, Journal of Essential Oil Research, vol. 8, no. 2, pp. 171 - 176, 1996.