基于GM(1,1)模型的阜平县土地生态安全预警与分析

刘琦，张俊梅，张利

Early warning and analysis of land ecological security in Fuping County based on GM(1,1) model

林业与生态科学 . 2021, (2): 154 -161 . DOI: １０．１３３２０／ｊ．ｃｎｋｉ．ｈｊｆｏｒ．２０２１．００２３