Emerging application of biochar as a renewable and superior filler in polymer composites by Tengku Yasim-Anuar, Tengku Arisyah, Yee-Foong, Lawrence Ng, Lawal, Abubakar Abdullahi, Ahmad Farid, Mohammed Abdillah, Mohd Yusuf, Mohd Zulkhairi, Hassan, Mohd Ali, Ariffin, Hidayah