Pico-hydro system as an alternative energy generator by Awang, Mariah, Zulkanai, Muhamad Adnan, Nafrizon, Nor Hapira Nadia, A. Rahman, M. A., Syazwan, M. M. Syafiq, Abdul Rahman, Mohd. Shahril, Musa, Mohd. Kamaruzaman, Hamidon, Nuramidah, Yusop, Fatimah