000 00461nam a2200169Ia 4500
008 230524s9999 xx 000 0 und d
040 _cUDSM
050 _aQTO LB1727.T3E33
245 0 _aTeacher upgrading course. Phase B, science, maths, oral English. Student's manual
260 _aDar es salaam
260 _c1967
300 _aVarious pages
300 _c32cm.
650 _aScience
942 _2Library of Congress Classification
942 _cBook
999 _c119719
_d119719