Hafidzoh Mukhtar. (2011). Ride Through of the adjustable speed drive due to unsymmetrical voltage sags. School of Electrical System Engineering, University Malaysia Perlis.
Lua i Stíl Chicago (17ú heag.)Hafidzoh Mukhtar. Ride Through of the Adjustable Speed Drive Due to Unsymmetrical Voltage Sags. Kangar, Perlis: School of Electrical System Engineering, University Malaysia Perlis, 2011.
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Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.