Volume & Issue: Volume 52, Issue 2, Summer and Autumn 2020 
1. $4$-total mean cordial labeling in subdivision graphs

Pages 1-11

R Ponraj; S SUBBULAKSHMI; S Somasundaram

6. On Hardy's Apology Numbers

Pages 67-83

Dr. Henk Koppelaar; Peyman Nasehpour

10. Fuzzy Cumulative Distribution Function and its Properties

Pages 127-136

Mehdi Shams; Gholamreza Hesamian

11. Two different inverse eigenvalue problems for nonsymmetric tridiagonal matrices

Pages 137-148

Ferya Fathi; Mohammad Ali Fariborzi Araghi; Seyed Abolfazl Shahzadeh Fazeli