THE EFFECT OF CONCRETE DOPING USING PALM PALM BOILER ASH AND SUPERPLASTICIZER ON THE STRENGTH OF K-300 CONCRETE. EINSTEIN (e-Journal), [S. l.], v. 14, n. 2, p. 41–47, 2026. DOI: 10.24114/2aejef67. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/einsten/article/view/61322. Acesso em: 23 aug. 2026.