Development of Vietnam plant protection machinery and cooperation between China and Vietnam
LE Vuquan1,2, ZHENG Jiaqiang1*, ZHOU Hongping1, NGUYEN Vantuu1
JOURNAL OF NANJING FORESTRY UNIVERSITY . 2009, (03): 131 -135 .  DOI: 10.3969/j.jssn.1000-2006.2009.03.030