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Aji, Wisnu Pratama and Susilo, Dibyo (2019) PENGARUH PENAMBAHAN FLY ASH PADA PEMBUATAN BATU BATA PADA UJI KUAT TEKAN DENGAN KADAR BAHAN CAMPUR 50%,60%70% THE EFFECT OF ADDITION OF FLY ASH ON THE MAKING OF BRICK STONE IN STRONG TEST PRESSING WITH LEVEL OF MIXED MATERIALS 50%, 60% 70%. Tugas Akhir thesis, University Technology Yogyakarta.