Loper, Orla E. Aras arus terus / Orla E. Loper [and] Edgar Tedsen; [translated by] Rosiyah Abd. Latif - 3rd. ed. - Kuala Lumpur : Dewan Bahasa dan Pustaka, 1992 - xiv, 508p. : ill.; 24cm Includes index ISBN: 9836233695 Subjects--Topical Terms: Electric currents, Direct Electric engineering