Raygor, Alton L.
Reading at efficient rates: a program for self-instruction - New York: McGraw-Hill, 1970. - 174p.
eng
Reading-Programmed instruction
418.4 / RAR
Reading at efficient rates: a program for self-instruction - New York: McGraw-Hill, 1970. - 174p.
eng
Reading-Programmed instruction
418.4 / RAR