EXTENSION PROGRAM IN CHANGING AGRICULTURE

被引：1
|
作者：
AHLGREN, HL
机构：
来源：
JOURNAL OF DAIRY SCIENCE | 1962年 / 45卷 / 03期
关键词：
D O I：
10.3168/jds.S0022-0302(62)89412-0
中图分类号：
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号：
0905 ;
摘要：
引用
收藏
页码：438 / &
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