共 31 条
[2]
Anh TT, 2003, PROC E ASIA SOC TRAN, V4, P1693
[4]
Armah Frederick A., 2010, Sustainability, V2, P252, DOI 10.3390/su2010252
[10]
Hajihosseini H., 2009, WORLD ACAD SCI ENG T, V35, P245