<https://smartlife.com.vn/viet-nam-van-la-thi-truong-tiem-nang-cho-smarthome-trong-nhieu-nam-toi/#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://smartlife.com.vn/viet-nam-van-la-thi-truong-tiem-nang-cho-smarthome-trong-nhieu-nam-toi/>