1
Sharpley, Richard, 326.39-S532t
| Earthscan |
2009
326.39-S532t,
2
Dalal-Clayton, D. B., 307-D136r
| Earthscan |
2003
307-D136r,
4
5
Carew-Reid, Jeremy, 539.9-C272s
| Earthscan |
1997
539.9-C272s,
6
Barbier, Edward B, 326.2-B236e
| Earthscan |
1994
326.2-B236e,
1
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