Novriyani, Novriyani, dkk. “Students’ Grammatical Error By Using Simple Present Tense In Analytical Exposition Text At The Seventh Grade Of Smpn 10 Metro”. Natural : Jurnal Riset Pendidikan , vol. 1, no. 1, Juni 2022, hlm. 121-53, doi:10.47902/jurnalrisetpendidikan.v1i1.144.