• Study of cultivation and adaptability of purple coneflower (Echinacea purpurea) in the north of Tehran. Journal of Science and Technology of Agriculture and Natural Resources, 6 (2), 2002, 231-241.

  • The effects of Thymus vulgaris L., Echinacea purpurea (L.) Moench., Allium sativum L. extracts and virginiamycin antibiotic on intestinal microflora population and immune system in broilers. Iranian Journal of Medicinal and Aromatic Plants, 25 (1), 2009, 39 -48.