AMALIA, Elya Nurul; 						KADARWATI, Nunik; 						SUHARNO, Suharno.
 Efficiency Analysis Sand and Stone Mining: Production Stochastic Frontier Modeling.
<strong>Jurnal Akuntansi, Manajemen dan Ekonomi</strong>, [S.l.], v. 24, n. 1, p. 19-24, mar. 2022.
ISSN 2620-8482.
Available at: &lt;<a href="http://jos.unsoed.ac.id/index.php/jame/article/view/5043" target="_new">http://jos.unsoed.ac.id/index.php/jame/article/view/5043</a>&gt;. Date accessed: 26 apr. 2024.
doi: <a href="https://doi.org/10.32424/1.jame.2022.24.1.5043">https://doi.org/10.32424/1.jame.2022.24.1.5043</a>.