Salamanca, Ma. Dolores Tour guiding services / Ma. Dolores Salamanca and Henrietta M. Roque. - Manila: JFS Pub. Services, c2016. - iii, 112 p. : ill. ; 26 cm. Includes bibliography and glossary. Nat. Bib. Agency Control No.: 978-621415-000-7 (pbk.) Subjects--Topical Terms: Tourist trade. Travel.