Santoso, I. B. (1982). Traffic utilization with initial toll: Din Daeng - Toey Expressway.
Chicago-viite (17. p.)Santoso, Iwan Benyamin. Traffic Utilization with Initial Toll: Din Daeng - Toey Expressway. 1982.
MLA-viite (9. p.)Santoso, Iwan Benyamin. Traffic Utilization with Initial Toll: Din Daeng - Toey Expressway. 1982.
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