Stephenson, William Kay. Concepts in biochemistry : a programmed text / [by] William K. Stephenson. - New York : Wiley, [1967] LCCN: 66028762 //r88 Subjects--Topical Terms: Biochemistry -- Programmed instruction.--Biochemistry -- Programmed instruction. LC Class. No.: QD415 / .S785 Dewey Class. No.: 574.1/92/077