Batangas (Province) Development Authority, Batangas Development Foundation, & Economic Development Foundation. (1971). Report, survey and recommendations of the Batangas Development Authority and the Batangas Development Foundation, 1971. Lyceum Press].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBatangas (Province) Development Authority, Batangas Development Foundation, और Economic Development Foundation. Report, Survey and Recommendations of the Batangas Development Authority and the Batangas Development Foundation, 1971. [Manila: Lyceum Press], 1971.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBatangas (Province) Development Authority, et al. Report, Survey and Recommendations of the Batangas Development Authority and the Batangas Development Foundation, 1971. Lyceum Press], 1971.
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