YI-FANG CHANG, Dr..
 Multiply Connected Topological Economics, Nonlinear Theory of Economic Growth and Its Three Laws, and Four Theorems on Knowledge Economic Theory.
<strong>Global Journal of Science Frontier Research</strong>, [S.l.], v. 12, n. 13-F, nov. 2012.
ISSN 2249-4626.
Available at: &lt;<a href="https://journalofscience.org/index.php/GJSFR/article/view/678" target="_new">https://journalofscience.org/index.php/GJSFR/article/view/678</a>&gt;. Date accessed: 18 may 2022.