%0 Conference Proceedings %T Effect of drying methods on essential oil contents and Citronellal of lemon balm %A Asadi, Ghorban Ali %A Khorramdel, Soroor %A , %A E. Mhammadvand %A Gholami, Mohamad Reza %J دومین کنگره ملی گیاهان دارویی %D 2013