Understanding mathematics :
Department of Curriculum Research and Development.
Understanding mathematics : Teacher;s guide for class 1 / Department of Curriculum Research and Development. - Thimphu : DCRD, 2012. - xviii, 166 p. : ill. ; 27 cm.
978-99936-844-4-2
Understanding mathematics : Teacher;s guide for class 1 / Department of Curriculum Research and Development. - Thimphu : DCRD, 2012. - xviii, 166 p. : ill. ; 27 cm.
978-99936-844-4-2