Oskay, D., Kocaman, M., Çolak, Z., Hacıoğlu, S., Özçoban, Ö.S., Akyol, O.G.,  & Orhan, M. (2012). The Effective of Varroa (varroa destructor) Population Level on Wintering Ability and Survival Rates of None-treated Honeybee Colonies in Trace Region. <i>Bee Studies</i>, <i>4</i>,  023-026. http://doi.org/