PRATANTO, RICKY HEFNAR PROYEK PEKERJAAN PENAMBAHAN LAJUR TOL RUAS KRAPYAK-GT MANYARAN KRAPYAK-GT MANYARAN STA 0+000 s/d 2+400. Project Report. Fakultas Teknik Program Studi Teknik Sipil, Semarang. (Unpublished)