Siregar, A.D. et al. 2025. ANALYSIS OF THE BATANG LANGKUP RIVER DISCHARGE USING FLOATING METHOD FOR MICRO-HYDRO POWER PLANT NEEDS (PLTMH) . JOURNAL ONLINE OF PHYSICS. 10, 2 (Apr. 2025), 100–105. DOI:https://doi.org/10.22437/jop.v10i2.42520.