LI Fa-Rong. Method and application of system analysis of land production forces[J]. Journal of Ecology and Rural Environment, 1987, 3(4): 53-57,14.
Citation:
|
LI Fa-Rong. Method and application of system analysis of land production forces[J]. Journal of Ecology and Rural Environment, 1987, 3(4): 53-57,14.
|
LI Fa-Rong. Method and application of system analysis of land production forces[J]. Journal of Ecology and Rural Environment, 1987, 3(4): 53-57,14.
Citation:
|
LI Fa-Rong. Method and application of system analysis of land production forces[J]. Journal of Ecology and Rural Environment, 1987, 3(4): 53-57,14.
|