“ISO 14001:2015 and ISO 9001:2015 Implementation in Con-Struction Company: Study Case: PT. Adhi Karya (Persero) Tbk, PT. Nusa Kon-Struksi Enjiniring Tbk, Eiffage, and Acciona, S,A”. 2019. Jurnal Lingkungan Dan Sumberdaya Alam (JURNALIS) 2 (2): 126-38. https://www.lppm-unbaja.ac.id/ejournal/index.php/jls/article/view/673.