Research & Reviews: International Journals We are an open-access journal publication that aims to serve authors and readers (scientists as well as general masses) by providing them an easy and reliable source of knowledge. We publish 42 International Journals dispersing advance knowledge in the field of Pharmacy, Medical, Nursing, Dental, Agriculture, Engineering Technology and Arts. Certified by American Montessori Council, we have developed a unique education system that is a blend of our Ancient Vedic Educations with the practice equipment of Montessori system. Research & Reviews: Journal of Statistics and Mathematical Sciences Volume 4, Issue 2 Multichannel Nodes With Identical Time of Service and the Transform of Laplace Andrey Valerianovich Pavlov Representation of a Full Transformation Semigroup Over a Finite Field Munir Ahmed, Muhammad Naseer Khan, Muhammad Afzal Rana Some Improved Ratio Estimators for Estimating Mean of Finite Population Muhammad Ijaz, Hameed Ali Prevalence and Risk Factors of Child Malnutrition in Bangladesh Mashfiqul Huq Chowdhury, Faijun Nahar Mim, Shamema Akhter Satu ChiSquare Automatic Interaction Detection Modelling of the effects of Social Media Networks on Students Academic Performance AA Onoja, OL Babasola, V Ojiambo