Budiarsa, I. N.; Watiniasih, N. L.; Karohika, I. M. G.; Widhiada, I. W.; Antara, I. N. G. Inhibitory Effect of Trigona Sp. Propolis Extract on Corrosion Rate of API 5L-B Steel in a Corrosive Medium. Int. J. Adv. Sci. Eng. Inf. Technol. 2022, 12, 661-667.