Computer assisted instruction for agricultural production economics reference and study guide.
PFEIFFER, W.C.
Computer assisted instruction for agricultural production economics reference and study guide. - ed. - Ontario : Ontario Agricultural College, 1976. - p. ; cm.
$
Agriculture and computers.
Computer assisted instruction for agricultural production economics reference and study guide. - ed. - Ontario : Ontario Agricultural College, 1976. - p. ; cm.
$
Agriculture and computers.