Gaya APA

Purwanto, A, Q, T, A, A, W, W. (). Natural gas As petroleum fuel substitution Analysis of supply-demand projections, infrastructures investments and end-user prices . : .

Gaya MLA

Purwanto, Abdul, Qoyum,, Tjandranegara,, Arsegianto,, And, Widodo, Wahyu. "Natural gas As petroleum fuel substitution Analysis of supply-demand projections, infrastructures investments and end-user prices". : , . .