Zheng-jun, Q., Xia-fang, Y., & Yong, H. A portable instrument for measuring field area based on GPS module. Zhejiang University Press.
Chicago Style (17th ed.) CitationZheng-jun, QIU, YING Xia-fang, and HE Yong. A Portable Instrument for Measuring Field Area Based on GPS Module. Zhejiang University Press.
MLA (9th ed.) CitationZheng-jun, QIU, et al. A Portable Instrument for Measuring Field Area Based on GPS Module. Zhejiang University Press.
Warning: These citations may not always be 100% accurate.