Hart, Laura K., 1938- The arithmetic of dosages and solutions : a programmed presentation / Laura K. Hart. - 4th ed. - Saint Louis : Mosby, 1977. - vii, 74 p. : ill. ; 26 cm. Template in pocket. ISBN: 0801620856 LCCN: 76040326 Subjects--Topical Terms: Pharmaceutical arithmetic--Programmed instruction.Drugs--Dosage--Programmed instruction.Nursing. LC Class. No.: RS57 / .H37 1977 Dewey Class. No.: 615/.4