M.S. Uddin  , A.C. Paul  , 
    Free  M-Modules,
    Asian Journal of Information Technology,
    Volume 5,Issue 11,
    2006,
    Pages 1262-1268,
    ISSN 1682-3915,
    ajit.2006.1262.1268,
    (https://makhillpublications.co/view-article.php?doi=ajit.2006.1262.1268)
    Abstract: The  characterizations  of free  M-modules are developed. The cardinality of the basis of the free  M-modules is studied. At last we have studied the invariant rank property of free  M-modules.
    Keywords: Group;ring;modules;invariant property;mapping;liner property;rank