The present chapter reviews basic issues concerning the design of household survey questionnaires for use in developing countries. It begins with the first step of questionnaire design, which is to formulate the objectives of the survey and then modify those objectives to take into account the underlying constraints. After these broad issues are discussed, more detailed advice is given on many ...

Effective classroom management methods are well known, but effective ways of managing classes beginner teachers remain elusive. Classroom refers to the wide range skills and techniques that use ensure conducted without destructive student behavior. The present study is applied nonexperimental research. purpose this was design a tool measure virtual from perspective professors students in e-lear...

Computer-Aided Design and Applications is an international journal on the applications of CAD CAM. It publishes papers in general domain plus emerging fields like bio-CAD, nano-CAD, soft-CAD, garment-CAD, PLM, PDM, data mining, internet, education, genetic algorithms engines. The aimed at all developers users technology to ptovide solutions for various stages design manufacturing. about technol...