Rusli, Yohanes Mardinata. “Financial Report Analysis With Financial Ratios and Company Valuation at PT BBS”. Eastasouth Journal of Effective Community Services 4, no. 01 (Agustus 21, 2025): 9–15. Diakses Agustus 29, 2025. https://ejcs.eastasouth-institute.com/index.php/ejecs/article/view/383.