Abaya, E. F. (1991). Channel utilization of a half-duplex ARQ protocol for packet radio channels. Philippine Engineering Journal.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAbaya, Efren F. "Channel Utilization of a Half-duplex ARQ Protocol for Packet Radio Channels." Philippine Engineering Journal 1991.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAbaya, Efren F. "Channel Utilization of a Half-duplex ARQ Protocol for Packet Radio Channels." Philippine Engineering Journal, 1991.
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