DAMANIK, Victor Hamonangan.
 Strategi Proaktif Seputar  Ekoefisiensi Lingkungan Kerja.
<strong>Forum Manajemen</strong>, [S.l.], v. 11, n. 65, p. 47-49, jan. 1997.
ISSN 2962-5483.
Available at: &lt;<a href="https://journal.prasetiyamulya.ac.id/journal/index.php/FM/article/view/186" target="_new">https://journal.prasetiyamulya.ac.id/journal/index.php/FM/article/view/186</a>&gt;. Date accessed: 22 july 2024.