Volume 19 Number 2, 2019 All the Solutions of the Diophantine Equations $p^x + p^y = z^2$ and $p^x - p^y = z^2$ when p≥2 is Prime Nechemia Burshtein Pages 111-119 Download On Solutions of the Diophantine Equation $A^2-B^2 = Z^4$ when $A, B, Z$ are Positive Integers Nechemia Burshtein Pages 121-125 Download On Normal Sub-Intuitionistic Fuzzy Multigroups I.M.Adamu, Y.Tella and A.J.Alkali Pages 127-139 Download Annulets in a 0-distributive Lattice R. M. Hafizur Rahman Pages 141-146 Download New Numerical Approach for Solving Fuzzy Boundary Value Problems Mazin Hashim Suhhiem Pages 147-159 Download Fixed Point Theorem using Absorbing Mappings in Fuzzy Metric Space Arihant Jain, V.K.Gupta and Rajesh Kumar Pages 161-167 Download On Solutions to the Diophantine Equation 3^x + q^y = z^2 Nechemia Burshtein Pages 169-173 Download Multiplicative Neighborhood Indices V.R. Kulli Pages 175-181 Download Lie Ideals on Prime Γ-Rings with Jordan Right Derivations Omar Faruk and Md. Mizanor Rahman Pages 183-192 Download On the Diophantine Equation $53^x+143^y=z^2$ Shivangi Asthana and Madan Mohan Singh Pages 193-196 Download The Radiocoloring Problem on Some Graphs Xiao-ling Zhang Pages 197-206 Download Seventh and Eighth Order Triangular Sum Labeling of Graphs C. Jayasekaran and C. Sunitha Pages 207-217 Download