‎A text book of electrical technology: in S.I.System of units (Including rationalized M.K.S.A system) for the examinations of B. Sc.(Egg.); sec A and B of A.M.I.E.(I); A.M.I.E.E.(London); City and Guilds (London);I.E.R.E.(London); Grade.I.E.T.E.(I)‬[Book]/ ‎B.L. Theraja , A.K.Theraja‬
(تکست بوک آو الکتریکال تکنالاجی فور د )