Volume 7 Number 1 & 2, 2019 Fractional Calculus and Certain Spiral-Like Functions with Negative Coefficients Mazin H. Suhhiem Pages 1-12 Download A Weighted Sobolev Space Theory of Parabolic Stochastic Partial Differential System on Non-Smooth Domains Yu-dong Sun and Huan Wang Pages 13-36 Download Companies, Technicalities and the Queue Systems Adebisi Sunday Adesina Pages 37-41 Download The Abelian Subgroup : Z_p×Z_p×Z_(p^n ), p is Prime and n≥1 S. A. Adebisi and M. EniOluwafe Pages 43-45 Download Vector Valued Matrices and their Product Argha Dubey Pages 47-60 Download Determinant and Adjoint of Vector Valued Matrices Argha Dubey Pages 61-72 Download Comparison Some Methods to Estimation Parameters Gamma's Distribution by Using Simulation Kareem K. Oazir Pages 73-83 Download