Purwati, I. L. Putra, M. A. Subkhan, S. Ulfah, and T. H. Kusuma, “IMPLEMENTATION A WEB-BASED ONLINE LETTER APPLICATION AT MANTINGAN VILLAGE APPARATUS”, JIMIK, vol. 4, no. 1, pp. 40–48, Jan. 2023, doi: 10.35870/jimik.v4i1.108.