Azzahra, S., Samsurizal, Sulistya , A. R., & Yahya, A. bin. (2026). Chemical Composition Analysis and Heat Absorption Potential of Andesite Stone as Absorber Material in Thermoelectric Generators. JOURNAL ZETROEM, 8(2), 170–178. https://doi.org/10.36526/ztr.v8i2.7998