Wulandari, R. (2010). Information Need And Information-Seeking Behaviour Of Agricultural Extension Workers In Daerah Istimewa Yogyakarta, Indonesia.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWulandari, Retno. Information Need And Information-Seeking Behaviour Of Agricultural Extension Workers In Daerah Istimewa Yogyakarta, Indonesia. 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWulandari, Retno. Information Need And Information-Seeking Behaviour Of Agricultural Extension Workers In Daerah Istimewa Yogyakarta, Indonesia. 2010.
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