Tonev, T., Tityanov, M., Vasilev, A. Guide to integrated weed management and proficiency in agriculture. Sofia: Biblioteka zemedelsko obrazovanie, 2011 108 p. : tab., ill. 978-954-90762-5-7.
Tonev, T., Tityanov, M., Vasilev, A. Guide to integrated weed management and proficiency in agriculture. Sofia: Biblioteka zemedelsko obrazovanie, 2011 108 p. : tab., ill. 978-954-90762-5-7.
Tonev, T., Tityanov, M., Vasilev, A. (2011) Guide to integrated weed management and proficiency in agriculture, Sofia: Biblioteka zemedelsko obrazovanie 108 p. : tab., ill. 978-954-90762-5-7.
Tonev, T., Tityanov, M., & Vasilev, A. (2011). Guide to integrated weed management and proficiency in agriculture. Sofia: Biblioteka zemedelsko obrazovanie, 108 p. : tab., ill.
Tonev T, Tityanov M, Vasilev A. Guide to integrated weed management and proficiency in agriculture. Sofia: Biblioteka zemedelsko obrazovanie; 2011. p. 108 p. : tab., ill. ISBN: 978-954-90762-5-7.
