Salim, H. M., Puspitarini, M. D., Setiwati, Y. and Shimabukuro, M. (2021) “Antibacterial mechanism of Kratom (Mitragyna speciosa) methanol extract on Streptococcus pneumoniae and Eschericia coli bacteria”, Biomolecular and Health Science Journal, 4(2), pp. 99–103. doi: 10.20473/bhsj.v4i2.28933.