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Tuning the high-temperature properties of Pr2NiO4+δ by simultaneous Pr- and Ni-cation replacement
Novel Pr2−xSrxNi1−xCoxO4±δ (x = 0.25; 0.5; 0.75) oxides with the tetragonal K2NiF4-type structure have been prepared. Room-temperature neutron powder diffraction (NPD) study of x = 0.25 and 0.75… Expand
Tuesdays with an Open and Distance Learning mentor
Abstract Tuesdays with Morrie is a 1997 non-fictional book by an American writer, Mitch Albom, which was later made into a film with the same title. It tells the true story of sociologist Morrie… Expand
E-learning: Effective Strategy, or ‘Just Another Brick in the Wall’?
ABSTRACT In the White Paper on Post-School Education and Training of 2013, the South African Department of Higher Education and Training (DHET) encourages the use of digital technology where… Expand