ˇˇ
ˇˇ
ˇˇ
ˇˇ
ˇ¶World Journal Of Engineeringˇ·
Hebei University of Engineering, Guangming South Street 199, Handan, Hebei,
China ,Zip Code: 056038
Tel: 86-310-7429124 ; Fax: 86-310-6025698;
E-mail: manuscript@wjoe.org; suscription@wjoe.org; support@wjoe.org http://www.wjoe.org