and about their propagation and the

and about their propagation and the effects of radiation emitted by them. They found that students did not have a clear model of ‘radiation’, and that they confused the dissipation of radioactive
sources with the process itself.

ผลลัพธ์ (อังกฤษ) 2:

and about their propagation and the effects of radiation emitted by them. They Found that did Not Have a clear Model of Students 'Radiation', and that they confused The dissipation of Radioactive.
Sources with The Process Itself.