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Luckana Phetpradap. 1992. Seed production in China aster (Callistephus chinensis (L.) Nees.). , Massey University;
Luckana Phetpradap. (1992) Seed production in China aster (Callistephus chinensis (L.) Nees.) . Massey University/Palmerston North.
Luckana Phetpradap. Seed production in China aster (Callistephus chinensis (L.) Nees.). . Palmerston North:Massey University, 1992.
Luckana Phetpradap. (1992) Seed production in China aster (Callistephus chinensis (L.) Nees.) . Massey University/Palmerston North.