Otgaar, Alexander H.J. Industrial Tourism. Opportunities for City and Enterprise. Alexander h.j. otgaar, Leo van den berg, Chrisian berger...etc - Special Indian Edition. - India. Ashgate. 2010. - 229 p. 24 cm. سيد التونسي / كلية السياحة ISBN: 9788186268445 Subjects--Topical Terms: Industrial tours--industrial relation LC Class. No.: eng Dewey Class. No.: 910.68 / A I