Estimating relative abundance of kawakawa (Euthynnus affinis Cantor, 1849) landed in eastern indian ocean using catch and effort dataRirik Kartika Sulistyaningsih, Bram Setyadji and Prawira Atmaja TampubolonE3S Web Conf., 442 (2023) 03004DOI: https://doi.org/10.1051/e3sconf/202344203004