RISTONO, joko.
 Sistem Informasi Sms Gateway Program Studi  Bimbingan Konseling Fakultas Ilmu Pendidikan  Universitas IVET Semarang.
<strong>Pawiyatan</strong>, [S.l.], v. 26, n. 01, p. 42- 51, may 2019.
ISSN 2721-4702.
Available at: &lt;<a href="https://e-journal.ivet.ac.id/index.php/pawiyatan/article/view/848" target="_new">https://e-journal.ivet.ac.id/index.php/pawiyatan/article/view/848</a>&gt;. Date accessed: 26 mar. 2025.