Sansuda Chaiyasingh. 1990. The ascertaining of asbestos fibers from asbestos cement pipes. Bangkok:Mahidol University;
Sansuda Chaiyasingh. (1990) The ascertaining of asbestos fibers from asbestos cement pipes (รายงานผลงานวิจัย). Mahidol University:Bangkok.
Sansuda Chaiyasingh. The ascertaining of asbestos fibers from asbestos cement pipes. Bangkok:Mahidol University, 1990.
Sansuda Chaiyasingh. (1990) The ascertaining of asbestos fibers from asbestos cement pipes (รายงานผลงานวิจัย). Mahidol University:Bangkok.