**
Volume
15 Number 5 (2019)**

**
Contents**

**
Optimal Two Parameter Logarithmic Estimators for Estimating the
Population Variance**

**
pp. 527-537**

**
ShashiBhushan, ChandniKumari and Ratan
Kumar Thakur**

**
Bifurcation and Stability in Discrete Fractional Order Prey Predator
Model with Harvesting**

**
pp. 539-549**

**
A. George Maria Selvam, D. Abraham Vianny
and S. Britto Jacob**

**Modelling and Analysis of Campylobacteriosis in Human and Animal
Populations**

**pp. 551-567**

**Brian Nyanaro Nyasagare, Shaibu Osman
and Mary Wainaina**

**
Numerical Solution for a Model on Cancer Growth Reduction Using both
Chemotherapy and Radiotherapy**

**pp. 569-583**

**Purity Kioro Gikunda, Mark Kimathi and
Mary Wainaina**

**Numerical Solution of a Steady MHD Boundary Layer Flow of a Nanofluid
over a Porous Exponentially Shrinking Surface with Heat and Mass Fluxes**

**pp. 585-602**

**Waithanji James Gikonyo, Mark Kimathi y
and Mary Wainaina**

**Effects of Viscosity and Thermal Conductivity on Convective Flow of Two
Viscous Immiscible Dusty and Pure Fluids in a Vertical Corrugated Wall
and a Parallel Flat Wall**

**pp. 603-613**

**Winfred Kaluki Musau, George Kimathi
and Caroline Songa**

**Proof of Twin Prime Conjecture**

**pp. 615-622**

**K.H.K. Geerasee Wijesuriya**

**
Effects of Induced Magnetic Field on Electrically Conducting Oldroyd-B
Nanofluid Flow over a Perforated Linearly Extending Surface**

**pp. 623-636**

**Oyier Williss Odhiambo, Mark Kimathi
and Mary Wainaina**

**
Analysis of the Effect of Stretching Parameter and Time Parameter on MHD
Nanofluid Flow in the Presence of Suction**

**pp. 637-648**

**Virginia M. Kitetu, Thomas T. M.
Onyango and Jackson K. Kwanza**

**Analysis and Modelling of Ringworm Infections in an Environment**

**pp. 649-665**

**Teresiah Waithira Karanja, Shaibu Osman
and Mary Wainaina**

**
Proof Methods, Computational Algorithms and Applications of the Chinese
Remainder Theorem**

**pp. 667-673**

**Gavin Yu**

**
GeneralizedWeighted Ostrowski-Gruss Type Inequality with applications**

**pp. 675-692**

**Nazia Irshad, Asif R. Khan y and
Muhammad Awais Shaikh**

**Explicit Determinant, Inverse, Minimum Polynomial and Eigenvector of a
Doubly Population Projection Matrix**

**pp. 693-710**

**Wiwat Wanicharpichat**

**
Mathematical Modelling of Extremism with Sensitization effects in Kenya**

**pp. 711-731**

**Dickson Odhiambo Aluoch, Shaibu Osman
and Mary Wainaina**

**Partial orderings on k-idempotent fuzzy matrices**

**pp. 733-741**

**K.Muthu Guru Packiam and K.S.Krishna
Mohan**

**
On the Convex hull of Yvct-sets in graphs**

**pp. 743-754**

**R.Vasanthi, M.Perumalsamy and
K.Subramanian**

**
Vague Soft Matrix-Based Decision-Making**

**pp. 755-780**

**N. Faried, M.S.S. Ali and H.H. Sakr**

**On the Projective Algebra of Kropina space**

**pp. 781-787**

**Narasimhamurthy S. K, Natesh N. and
Roopa.M.K**