The Suggested Reciprocal Relationship between Maximum, Minimum and Optimum Usable Frequency Parameters Over Iraqi Zone. Baghdad Science Journal, Iraq, Baghdad, v. 17, n. 3(Suppl.), p. 1058, 2020. DOI: 10.21123/bsj.2020.17.3(Suppl.).1058. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/4247.. Acesso em: 3 may. 2024.