W Economic sectors > W.13 Tourism > Online booking system

B Business economics > B.09 Business information systems > B.09.03 Corporate information systems > Online booking system

V Economics > V.04 Business cycles and growth, economic structure > V.04.04 Technological change and innovation > E-commerce > Online booking system

B Business economics > B.09 Business information systems > B.09.03 Corporate information systems > E-commerce > Online booking system

... > N Related subject areas > N.10 Natural sciences and technology > N.10.05 Information technology and computer science > N.10.05.04 Applied computer science > E-commerce > Online booking system

W Economic sectors > W.11 Hospitality Industry > Online booking system