SUERBAEV, K.; SHALMAGAMBETOV, K.; ZHAKSYLYKOVA, G.; KUDAIBERGENOV, N.; KOZHAKHMET, M. Investigation of the catalуtic activitу of K2CO3 in the carboxуlation reaction of phenol with sodium ethуl carbonate. Chemical Bulletin of Kazakh National University, v. 93, n. 2, p. 24-35, 29 maio 2019.