Hua bei ping yuan hua xue yuan su di biao sheng qian yi (Hua bei ping yuan nong ye zi ran tiao jian yu qu yu kai fa yan jiu)
Edition: Di 1 ban edition
Publisher: Xin hua shu dian Beijing fa xing suo fa xing
Published: 1990
Language: cmn
Format: Unknown Binding
Number of pages: 192
ISBN-13: 9787030015686