Alferez, Merle S. 12
Allendoerfer, Carl B. 1911-1974 6
American Mathematical Society 7
Angel, Allen R. 1942- 6
Association of Teachers of Mathematics 6
Australia. Mathematics for Living 8
Barnett, Raymond A. 28
Bell, Eric Temple 1883-1960 5
Bennett, Albert B. 10
Billstein, Rick 11
Bishop, Alan J. 5
Bittinger, Marvin L. 5
Blitzer, Robert 6
Burger, William F. 9
Burton, David M. 8
Busby, Robert C. 7
Byleen, Karl E. 8
Castillo, Leticia L. 7
Charlesworth, Rosalind 10
Chua, Queena N. Lee 24
Cohen, David 5
Comer, John C. 6
Copeland, Richard W. 7
DeTemple, Duane W. 8
Eicholz, Robert E. 7
Epp, Susanna S. 6
Eves, Howard Whitley 1911- 8
Gerber, Hans U. 7
Glenn, W. H. 12
Goldstein, Larry Joel 10
Goodaire, Edgar G. 6
Great Britain. Macdonald Educational Colour Units 6
Grimaldi, Ralph P. 7
Grouws, Douglas A. 6
Harshbarger, Ronald J. 1938- 12
Hart, William Le Roy 1892- 6
Hicap, Jonathan M. 11
Hicks, Tyler Gregory 1921- 6
Hirsch, Christian R. 11
Hungerford, Thomas W. 7
Ingle, Vinay K. 7
International Association for the Evaluation of Educational Achievement 7
Joaquin, Ma. Nympha B. 8
Joaquin, Ma. Nympha Beltran 8
Johnsonbaugh, Richard 1941- 11
Johnson, Donovan A. 15
Kemeny, John G. 9
Kennedy, Leonard M. 10
Kolman, Bernard 1932- 7
Krulik, Stephen 7
Lee, Queena N. 9
Lial, Margaret L. 16
Libeskind, Shlomo 10
Lipschutz, Seymour 12
Long, Calvin T. 9
Lott, Johnny W. 1944- 6
Mathematical Association of America 6
Mathematical Society of the Philippines, Inc 6
Miller, Charles David 1942- 7
Morris, Dennis E. 6
Mullis, Ina V.S 7
Musser, Gary L. 15
National Council of Teachers of Mathematics 61
National Council of Teachers of Mathematics. Research Interpretation Project 6
Nebres, Bienvenido F. 6
Nelson, Leonard T. 8
Newmark, Joseph 6
Oakley, Cletus O. 1899- 7
Ogena, Ester B. 11
Parmenter, Michael M. 6
Porter, Stuart R. 1932- 7
Posamentier, Alfred S. 9
Proakis, John G. 8
Reynolds, James J. 12
Reys, Robert E. 6
Rhees, Rush 6
Robitaille, David F. 6
Rosen, Kenneth H. 15
Schneider, David I. 10
School Mathematics Project 19
School Mathematics Study Group 15
Siegel, Martha J. 7
Spiegel, Murray R. 8
SpringerLink (Online service 12
SpringerLink (Online service) 174
SpringerLink (Online Service) 9
Stewart, James 6
Suydam, Marilyn N. 10
Talisayon, Vivien M. 13
Tangco, Jesusa 6
Tan, Soo Tang 12
Ulep, Soledad A. 6
University of the Philippines (Diliman). GE Mathematics Committee 9
University of the Philippines (Diliman). Science Education Center 6
Washington, Allyn J. 10
Welch, Susan 6
Wittgenstein, Ludwig 1889-1951 10
Yamane, Taro 8
Yeap Ban Har 6
Ziegler, Michael R. 17