Nusantoro A, Ramadhani NF. Pengaruh Abu Tulang Sapi Terhadap Kenaikan Kuat Tekan Beton. suryabeton [Internet]. 2021Mar.31 [cited 2024Nov.23];5(1):20-7. Available from: https://ebook.umpwr.ac.id/index.php/suryabeton/article/view/1105