Kajian sifat fisik dan mekanik agregat kasar ringan hasil daur ulang botol shampo plastik high density polyethylene (HDPE) warna putih berserat meteal serta pengaruhnya pada kuat tekan beton ringan = Physical and mechanical properties study of lightweight coarse aggregates from recycled high density polyethylene (hdpe) white shampoo bottle metal fibrous and its effect to the compressive strength of lightweight concrete - Rachmaniar, author (2009)