TY  - BOOK
AU  - Risk,Thomas M.
ED  - South Dakota.
TI  - Mathematics for secondary schools ..
T2  - Course of study bulletin,
AV  - LB1561.S8 A3 no. 9
PY  - 1933///]
CY  - Sioux Falls, S.D.
PB  - Fischer Printing Co.
KW  - Mathematics
KW  - Study and teaching
N1  - At head of title: State of South Dakota. Department of public instruction. Pierre; "Prepared by Committee for mathematics course of study ... Dr. T. M. Risk, executive chairman." p. [5]; "Additional general reading list for high school mathematics teachers." p. [173]-174
ER  -