Online Public Access Catalogue (OPAC)Library,Documentation and Information Science Division
“A research journal serves that narrow
borderland which separates the known from the unknown”
-P.C.Mahalanobis
373 Umstattd, James Greenleaf,, 1896- Secondary school teaching, by J.G. Umstattd. - New ed.. - Boston, New York [etc.] Ginn and Co. [1944] xii, 488 p. incl. forms, diagrs. 23 cm. * Teaching. Education, Secondary. High school. Unterricht.