Ahmad, N., S. M. H. Aejaz, A. Naeem, M. Shahnawaz, and S. Saadat. 2010. “INVESTIGATION OF THE MINERAL CONTENTS OF SOME VARIETIES OF POWDER MILK BY PIXE”. The Nucleus 47 (2):161-64. http://thenucleuspak.org.pk/index.php/Nucleus/article/view/900.