Yoingco, A. Q., & Sukarya, S. (1980). The first decade: A brief history of the Study Group on Asian Tax Administration and Research (SGATAR). [National Tax Research Center].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रYoingco, Angel Q., और Sutadi Sukarya. The First Decade: A Brief History of the Study Group on Asian Tax Administration and Research (SGATAR). Manila: [National Tax Research Center], 1980.
एमएलए (9वां संस्करण) प्रशस्ति पत्रYoingco, Angel Q., और Sutadi Sukarya. The First Decade: A Brief History of the Study Group on Asian Tax Administration and Research (SGATAR). [National Tax Research Center], 1980.
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