Journal of Combinatorial Theory, Series A 

 - Amsterdam, Netherlands  Elsevier Science Direct 
 - On-campus e-Journal under Digital Library Program of Higher Education Commission (HEC) of Pakistan 
<br/><br/><label>ISSN: </label>0097-3165 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Combinatorial Theory, Series A