Chongkon Sumpanwatanakun. (1989) Michael reaction of &-chloro sulfonyl carbanion. Mahidol University,:ม.ป.ท.Chongkon Sumpanwatanakun. 1989. Michael reaction of &-chloro sulfonyl carbanion. ม.ป.ท.:Mahidol University,;Chongkon Sumpanwatanakun. Michael reaction of &-chloro sulfonyl carbanion. ม.ป.ท.:Mahidol University, 1989. Print.