Grundmann, Helge E. Some implications of the concept of effect protection - Dar es Salaam : Makerere University College, 1968. - 13p. : ill. ; 33cm. - ERB Paper; 68.1 - 68.35 are all bound in one book . Subjects--Topical Terms: Tarrif LC Class. No.: EAF QTO HC12.E35 No.68.19