Shape memory properties of epoxy with hybrid multi-walled carbon nanotube and montmorillonite nanoclay nanofiller by Mat Yazik, Muhamad Hasfanizaam, Hameed Sultan, Mohamed Thariq, Jawaid, Mohammad, Mazlan, Norkhairunnisa, Abu Talib, Abd Rahim, Md Shah, Ain Umaira, Safri, Syafiqah Nur Azrie