Toson-isoAJio5nu-i1umn1ii11
u
Tnsi>n'1siiatii>nru:am.a'1nnssuusn'1s
•
FACULTY OF SERVICE INDUSTIRES
'1.1;J1,1,NRTUJ \11.n::'VI fl.n::'VI -l.fHfi\11 831 20
" " "
o 7620 2556-7 1'n·H11:i o 7620 2558
E-mail h&t@ratree.psu.ac.th
Homepage http:/ /talay.psu.ac.th
iJ 2545 1sU1.ID:1s1tID.<>. I 153 !