Suwanna Suthisukon. 1992. Restriction fragment length polymorphism (RFLP) of nitrogen-fixing bacteria associated with rice (Oryza sativa L.). Graduate School, Chulalongkorn University;
Suwanna Suthisukon. (1992) Restriction fragment length polymorphism (RFLP) of nitrogen-fixing bacteria associated with rice (Oryza sativa L.) . Chulalongkorn University/Bangkok.
Suwanna Suthisukon. Restriction fragment length polymorphism (RFLP) of nitrogen-fixing bacteria associated with rice (Oryza sativa L.). . Bangkok:Chulalongkorn University, 1992.
Suwanna Suthisukon. (1992) Restriction fragment length polymorphism (RFLP) of nitrogen-fixing bacteria associated with rice (Oryza sativa L.) . Chulalongkorn University/Bangkok.