Setyawati, Dian, & Subiono Subiono.
" APROKSIMASI PADA GRUP." <em>UNEJ e-Proceeding</em> [Online], (2022): 319 - 325. Web. 25 Jan. 2025<div style=" display: none;">	
<p><a href="https://visnykpau.com/">Slot88</a></p>
<p><a href="https://indef.or.id/">Slot777</a></p>
</div>