Muschla, Judith A. The algebra teacher's guidance to re-teaching essential concepts and skills : 150 mini-lessons for correcting common mistakes / Judith Muschla, Gary Robert Muschla, Erin Muschla. - San Francisco : Jossey-Bass, c2011. - 322 p. : 28 cm. ISBN: 9780470872826 Subjects--Topical Terms: Algebra--Study and teaching (elementary)