Tarigan, Kontan, and Darwin Sebayang. 2016. “EFFECT OF ANNEALING ON MAGNETIC AND STRUCTURAL PROPERTIES OF THE NANOCRYSTALLINE Fe-Mn-Al ALLOYS”. International Journal of Innovation in Mechanical Engineering and Advanced Materials 2 (1). Jakarta, Indonesia:26-30. https://doi.org/10.22441/ijimeam.v2i1.18953.