Van Tao, C., Van Nhon, M., & Anh Tu, P. (1998). APPLICATION OF THE POSITRON TRAPPING MODEL WITH DETRAPPINGEFFECT TO STUDY THE FORMATION ENERGY OF MONOVACANCY IN SOME METALS. Science and Technology Development Journal, 1(5), 44-49. https://doi.org/https://doi.org/10.32508/stdj.v1i5.3732