Bancha Yingngam. 2012. Production of cratoxylum formosum (Jacq.) benth & hook.fex dyer extract using central composite design based response surface methodology. Ubon Ratchathani:Ubon Ratchathani University;
Bancha Yingngam. (2012) Production of cratoxylum formosum (Jacq.) benth & hook.fex dyer extract using central composite design based response surface methodology (รายงานผลงานวิจัย). Ubon Ratchathani University:Ubon Ratchathani.
Bancha Yingngam. Production of cratoxylum formosum (Jacq.) benth & hook.fex dyer extract using central composite design based response surface methodology. Ubon Ratchathani:Ubon Ratchathani University, 2012.
Bancha Yingngam. (2012) Production of cratoxylum formosum (Jacq.) benth & hook.fex dyer extract using central composite design based response surface methodology (รายงานผลงานวิจัย). Ubon Ratchathani University:Ubon Ratchathani.