Learning and teaching metric measurement : a handbook for teachers in the elementary and junior high schools /
Fillinger, Louis C.
Learning and teaching metric measurement : a handbook for teachers in the elementary and junior high schools / Louis C. Fillinger. - Danville, Ill. : Interstate Printers & Publishers, 1974. - 45 p. : ill. ; 29 cm.
Metric system--Study and teaching.
Learning and teaching metric measurement : a handbook for teachers in the elementary and junior high schools / Louis C. Fillinger. - Danville, Ill. : Interstate Printers & Publishers, 1974. - 45 p. : ill. ; 29 cm.
Metric system--Study and teaching.
