BETTIE , Joe . L ...[et al.] .
Elementary Mathematics for Liberia: Pupil's Book Three - Liberia : The Ministry of Education , 1978 . - 124 p . : ill . ; 25 cm .
201134233
Mathematics
Mathematics--Study and teaching (Elementary)
510
Elementary Mathematics for Liberia: Pupil's Book Three - Liberia : The Ministry of Education , 1978 . - 124 p . : ill . ; 25 cm .
201134233
Mathematics
Mathematics--Study and teaching (Elementary)
510