00363nam a2200121Ia 4500008004100000040003800041100002600079245004900105250000800154260004100162300001500203653002300218211228s9999 xx 000 0 und d cJayakar Knowledge Resource Centre aMishan, Edward Joshua 0aCost-bebefit analysis: informal introduction a2nd bGeorge Allen and UnwinaLondonc1972 axx,454p p. aCost effectiveness