Dahnil, Dahlila Putri, Supiah Selamat, Khairul Azmi Abu Bakar, Rosilah Hassan, and Ahmad G. Ismail. 2018. “A New Method for Battery Lifetime Estimation Using Experimental Testbed for Zigbee Wireless Technology”. International Journal on Advanced Science, Engineering and Information Technology 8 (6):2654-62. https://doi.org/10.18517/ijaseit.8.6.6388.