000 00341nam a2200145Ia 4500
008 230627s9999 xx 000 0 und d
050 _aPAM QA11.E33
245 0 _aTanzania mathematics project
260 _bUniversity of Dar es Salaam
260 _c1967
300 _a13p.
300 _bill.
300 _c25cm.
650 _aMathematics
999 _c124599
_d124599