High range free space optic transmission using new dual diffuser modulation technique oleh Rahman A.K, Julai N, Jusoh M, Rashidi C.B.M., Aljunid S.A, Anuar M.S, Talib M.F, Zamhari Nurdiani, Sahari S.k, Tamrin K.F., Jong Rudiyanto P., Zaidel D.N.A, Mohtadzar N.A.A, Sharip M.R.M, Samat Y.S