Vol 12, No 1 (2020)

Table of Contents

Research Articles

Right Semi-Tensor Product for Matrices Over a Commutative Semiring PDF
Pattrawut Chansangiam 1 - 14
A Dynamic Contact Problem Between Elasto-Viscoplastic Piezoelectric Bodies with Adhesion PDF
Laid Maiza, Tedjani Hadj Ammar, Abdelhamid Rehouma 15 - 39
Central Positions in R&D Networks PDF
Mohamad Alghamdi 41 - 54
A Preference Ranking Method Based on Triangular Fuzzy Numbers for Green Supplier Selection PDF
Lazim Abdullah, Wai Mun Lim, Zamali Tarmudi 55 - 68
Incorporating Random Contractions in Decision Support Systems for Facilitating Synergies of Proactivity and Extremity PDF
Panagiotis T. Artikis, Constantinos T. Artikis 69 - 81
Effects of Radiation and Triaxiality of Primaries on Existence and Stability of Collinear Equilibrium Points in Elliptical Restricted Three Body Problem PDF
Krishna Kumar Pandey, Ashutosh Narayan, Sandip Kumar Shrivastava 83 - 98
Birkhoff Center of a Quotient of Almost Distributive Fuzzy Lattices PDF
Brhanu Asaye Alaba, Mihret Alamneh Taye, Gerima Tefera Dejen 99 - 106

eISSN 0975-5748; pISSN 0974-875X