The response of Dundubia Manifera sound effects to changes in stomata density and stomata index of water spinach as information on the rate of photosynthesisRefpo Rahman, Umi Salamah, M. Adeng Fadila and Risky Hadi WibowoE3S Web of Conf., 373 (2023) 03021DOI: https://doi.org/10.1051/e3sconf/202337303021