Lekatompessy, Jeny, Helena Magdalena Rijoly, and Hellien Jacqualine Loppies. 2023. “PELATIHAN PENGGUNAAN CONCEPT CHECKING QUESTIONS DALAM PEMBELAJARAN GRAMMAR”. Community Development Journal : Jurnal Pengabdian Masyarakat 4 (6):11712-16. https://doi.org/10.31004/cdj.v4i6.21211.