R. Hasibuan, R. C. Purba, and O. D. P. Simanjuntak, “WORKSHOP E-FILLING WAJIB PAJAK ORANG PRIBADI SERTA WAJIB PAJAK BADAN DI SMA SIATAS BARITA TARUTUNG”, JAM, vol. 1, no. 2, pp. 321–325, Sep. 2020.