Umar Khitab

发表

The Development of Low Cost Learning Material For The Teaching if Chemistry at Secondary Level.

Umar Khitab, 2012 .

An Investigative Study of the Construction of Low Cost Material by Secondary Science Teachers

Umar Khitab, Amir Zaman, Abdul Ghaffar, 2013 .

Secondary School Teachers' Ability to Understand Scoring Rubric and Practices

Umar Khitab, Amir Zaman, Abdul Ghaffar, 2014 .