Piangjan Chaiwanon. 1999. Calcium fortification in soybean milk and in-vitro bioavailability. Faculty of Graduate Studies, Mahidol University;
Piangjan Chaiwanon. (1999) Calcium fortification in soybean milk and in-vitro bioavailability . Mahidol University/Bangkok.
Piangjan Chaiwanon. Calcium fortification in soybean milk and in-vitro bioavailability. . Bangkok:Mahidol University, 1999.
Piangjan Chaiwanon. (1999) Calcium fortification in soybean milk and in-vitro bioavailability . Mahidol University/Bangkok.