Sidharta, Thomas Khrisna, and Prasetyo Widyo Iswara. “HORIZONTAL PROFIT AND LOSS ANALYSIS AT PDAM SURYA SEMBADA SURABAYA”. International Conference of Business and Social Sciences 3, no. 1 (January 15, 2024): 445–459. Accessed May 16, 2024. https://ojsicobuss.stiesia.ac.id/index.php/icobuss1st/article/view/397.