Bilal Naseer Ahmed (23701) <br/><br/>
Roughness in semilattices via V -regular classes 

 - Islamabad  (Unpublished)  2022 
 - vii, 63 p.  : ill.  ; 30 cm.  +CD 
<br/><br/> Submitted in partial fulfillment of the requirements for the degree of Master of Philosophy in Mathematics to the Department of Basic Sciences.  Includes bibliographical references.  Thesis supervisor: Dr. Naveed Yaqoob 
<br/><br/>Thesis (M.Phil)--Riphah International University, 2022 
<br/><br/><br/>English 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Rough subsemilattices--Join semi lattice--Meet semi lattice--DBS--FEAS
<br/><br/><label>Dewey Class. No.: </label>510  / BIL