Delta-K, Full Issue, Volume 7, Issue 1 Math Council Newsletter Volume 7 Issue 1 December 1, 1967 Full Issue | Delta-K Read More
Delta-K, Feature Articles, Volume 7, Issue 1 TRIGONOMETRIC FUNCTIONS OF SUMS December 1, 1967 William J. Bruce Read More
Delta-K, Feature Articles, Volume 7, Issue 1 WHAT GEOMETRY FOR THE ELEMENTARY SCHOOL? December 1, 1967 D. Bowering Read More