%0 Conference Proceedings %T EFFECT OF GROWTH STAGES ON CONTENT AND QUALITY OF ESSENTIAL OF PEPPERMINT ESSENTIAL OIL AS A MEDICINAL PLANT %A Khorramdel, Soroor %A Shabahang, Javad %A امیر سلیمانی %A GHESHM, RAHMATALLAH %J سومین کنگره ملی گیاهان دارویی %D 2014