Raising awareness of slope hazards and implementing energy-friendly lighting in the commercial building of Bukit Batakan Permai II, Manggar Campus, East Balikpapan. SEPAKAT [Internet]. 30 Desember 2025 [dikutip 1 November 2026];4(2):48-53. Tersedia pada: https://journal.itk.ac.id/index.php/sepakat/article/view/8481750