Cao , Thanh Long, Dong Phuong Huynh, Trung Hieu Nguyen, and Quoc Dung Tran. 2019. “Conceptual Designing of a Slow Positron Beam System Using Simion Simulation Program”. Nuclear Science and Technology 9 (2):45-51. https://doi.org/10.53747/jnst.v9i2.52.