Tender For providing of event or seminar or workshop or exhibition or expo management service - national; vnsgu summer camp schedule 1; as per atc; buyer premise; 21 days,event or seminar or workshop or exhibition or expo management service - national; vnsgu summer camp schedule 1; as per atc; buyer premise; 21 days,event or seminar or workshop or exhibition or expo management service - national; vnsgu summer camp schedule 2 (catering); as per atc; buyer premise; 21 days,event or seminar or workshop or exhibition or expo management service - national; vnsgu summer camp schedule 2 (catering); as per atc; buyer premise; 21 days