Nannapat Natchakunlasap. 2004. Distribution and sources of heavy metals in stream sediments in Tum Talu watershed Bunnung Sata Yala Southern Thailand. Field of Study Environmental Management, Chulalongkorn University;
Nannapat Natchakunlasap. (2004) Distribution and sources of heavy metals in stream sediments in Tum Talu watershed Bunnung Sata Yala Southern Thailand . Chulalongkorn University/Bangkok.
Nannapat Natchakunlasap. Distribution and sources of heavy metals in stream sediments in Tum Talu watershed Bunnung Sata Yala Southern Thailand. . Bangkok:Chulalongkorn University, 2004.
Nannapat Natchakunlasap. (2004) Distribution and sources of heavy metals in stream sediments in Tum Talu watershed Bunnung Sata Yala Southern Thailand . Chulalongkorn University/Bangkok.