Yalew Endaweqe Mulu.

Yemirmir meseretawi merihochina ategebaberi / Yalew Endaweqe Mulu. - 3rd ed. - Addis Ababa : Commerce press, c2009. - v, 485 p ; 23 cm.

Includes bibliographical references.

paperback


Research writing.

ETH 001.42 Yal 2009