محمد يحيى م. Estimate of parameters for simultaneous equations to agriculture investment and agriculture local output in IRAQ for the period(1980-2000). IRAQI JOURNAL OF STATISTICAL SCIENCES, [S. l.], v. 7, n. 1, p. 175–193, 2007. DOI: 10.33899/iqjoss.2007.032491. Disponível em: https://edusj.uomosul.edu.iq/index.php/stats/article/view/29146. Acesso em: 10 sep. 2025.