A modern introduction to basic mathematics / Mervin L. Keedy Intermediate algebra / Mervin L. Keedy, Marvin L. Bittinger A problem solving approach to intermediate algebra / Mervin L. Keedy, Marvin L. Bittinger Algebra and trigonometry : a functions approach / M. L. Keedy, Marvin L. Bittinger Intermediate algebra / Mervin L. Keedy, Marvin L. Bittinger Student's guide to exercises for intermediate algebra and algebra : an intermediate course / Keedy Bittinger, Judith A. BeecherAlgebra for college students / Mervin L. Keedy , Marvin L. Bittinger , William B. RudolphAlgebra and trigonometry : a functions approach / M. L. Keedy, Marvin L. BittingerKisah-kisah penjelajahan / Joan Macintosh ; alih bahasa, Lailahanoum Hasyim RasjidMengenal bangun dan belajar pecahan/ penulis, Andrew King; alih bahasa, Didik Djunaedi; editor, Titiek Tri Inrdijaningsih