HEAD OFFICE
50 Moo 18, Tumbol Chaniang, Amphur Maung, Surin 32000 Thailand
Telephone: +(66-44) 521 063 Facsimile: +(66 44) 511 332
E-mail: woraho@yahoo.com

PRINCIPAL NORTH EASTERN OFFICE
P.O. Box 7 Khonkaen university 40002 Thailand
Telephone: +(66-80) 4111 588, Facsimile: +(66-43) 364 744
E-mail: kkwora@yahoo.com

PRINCIPAL BANGKOK OFFICE
21/205 Soi Ngamwongwan31, Ngamwongwan Road,
Bangkhen, Muang, Nonthaburi 11000 Thailand
Telephone: +(662) 953 5808 10 Facsimile: +(662) 953 5429
E-mail: woranitath@yahoo.com