Wipa Plansangkate. 1993. Tandem bond formation involving alpha-halosulfonyl carbanions. Faculty of Graduate Studies, Mahidol University;
Wipa Plansangkate. (1993) Tandem bond formation involving alpha-halosulfonyl carbanions . Mahidol University/Bangkok.
Wipa Plansangkate. Tandem bond formation involving alpha-halosulfonyl carbanions. . Bangkok:Mahidol University, 1993.
Wipa Plansangkate. (1993) Tandem bond formation involving alpha-halosulfonyl carbanions . Mahidol University/Bangkok.