(1974). Progress status of the Philippine-Japan Highway Loan Project as of April 30, 1974. Department of Public Highways.
Chicago Style aipamenaProgress Status of the Philippine-Japan Highway Loan Project as of April 30, 1974. Manila: Department of Public Highways, 1974.
MLA aipamenaProgress Status of the Philippine-Japan Highway Loan Project as of April 30, 1974. Department of Public Highways, 1974.
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