UNE-CEN/TR 17557:2020 Surface active agents - Bio-based surfactants - Overview on bio-based surfactants (Endorsed by Asociación Española de Normalización in May of 2021.)
2021UNE-CEN/TR 17557:2020 Surface active agents - Bio-based surfactants - Overview on bio-based surfactants (Endorsed by Asociación Española de Normalización in May of 2021.)