Alwin, Robert H.
Algebra--programmed / Robert H. Alwin, Robert D. Hackworth. - 2nd ed. - Englewood Cliffs, N.J : Prentice-Hall, 1978-1980. - 2 v. : ill.
Part 1 & 2 by R.H. Alwin, R.D. Hackworth & [J.W. Howland].
0130220205 pbk. (v.2) 0130220388 pbk. (v.1)
Algebra--Programmed instruction.
Algebra--programmed / Robert H. Alwin, Robert D. Hackworth. - 2nd ed. - Englewood Cliffs, N.J : Prentice-Hall, 1978-1980. - 2 v. : ill.
Part 1 & 2 by R.H. Alwin, R.D. Hackworth & [J.W. Howland].
0130220205 pbk. (v.2) 0130220388 pbk. (v.1)
Algebra--Programmed instruction.