共 50 条
- [1] THE PROBLEM OF AN AUXILIARY INTERNATIONAL LANGUAGE AND ITS SOLUTION SCIENTIFIC MONTHLY, 1923, 17 : 342 - 360
- [5] THE LOCUST PROBLEM IN CYPRUS BULLETIN OF THE SCHOOL OF ORIENTAL AND AFRICAN STUDIES-UNIVERSITY OF LONDON, 1988, 51 : 279 - 313
- [10] THE APPRENTICE PROBLEM AND ITS SOLUTION VOCATIONAL GUIDANCE MAGAZINE, 1925, 4 (03): : 117 - 119