Gaya APA

Seals, , R, K. (1994). Utilization of Phosphogypsum-Based Slag Aggregate in Portland Cement Concrete Mixtures . : TRB.

Gaya MLA

Seals, , Roger, K.. "Utilization of Phosphogypsum-Based Slag Aggregate in Portland Cement Concrete Mixtures". : TRB, 1994. Chart.