In this study, nanocombs-like zinc sulphide “ZnS” have been grown using simple low cost thermal evaporation method via vapor-liquid-solid (VLS) mechanism. The nanocombs-like were grown on silicon wafers coated with silver ...

Large classroom size is a challenge faced by many teachers and learners in many parts of the world. In Libya, large classes have been clearly seen in public schools and universities. Investigations of large class size ...