Bohm, Peter . Social efficiency : a concise introduction to welfare economics / Peter Bohm. - 2nd ed. / . - London : Macmillan , 1987. - viii,182p. : ill.,figs. ; 19cm . Include index ISBN: 0333441354 UKP 8.95 Subjects--Index Terms: ECONOMICS Dewey Class. No.: 330.1556 / BOH/P