DJOJOHADIKUSUMA, S., & DJOJOHADIKUSUMA, S. (1976). Technology, Economic Growth And Environment State Of The Debate Sumitro Djojohadikusuma. t.p.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDJOJOHADIKUSUMA, Sumitro, और Sumitro DJOJOHADIKUSUMA. Technology, Economic Growth And Environment State Of The Debate Sumitro Djojohadikusuma. t.p, 1976.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDJOJOHADIKUSUMA, Sumitro, और Sumitro DJOJOHADIKUSUMA. Technology, Economic Growth And Environment State Of The Debate Sumitro Djojohadikusuma. t.p, 1976.
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