Pratama, A. R., Sipahutar, E. ., Candra, R. A. ., Budiansyah, A. ., & Ilham, D. N. . (2026). IMPLEMENTATION OF A TREE FELLING AGE DETECTION DEVICE USING PIEZOELECTRIC SENSORS IN URBAN FORESTS. Global Advances in Science, Engineering & Technology (GASET), 1(1), 1-9. https://doi.org/10.62671/gaset.v1i1.51