Trigonometry a practical course Crowder, Norman A. creator Martin, Grace C. joint author. text nyu Garden City, N.Y Doubleday 1961 1st ed. monographic eng
print
IX, 250 p. : ill. , 22 cm. by Norman A. Crowder and Grace C. Martin. Includes Indexes Trigonometry Problems, exercises, etc Programmed instruction 516.24 CRT 1961 A Tudor text DLC 170412 20211209081914.0 69577 eng