Vol. 6 No. 2 (1991): April - June

Pagakrong Lumbiganon, Unchalee Tattawasart, Saowaluk Sukprasert, Arnkisa Chaikitpinyo

Yuthapong Werawatakul, Saovaluk Sukprasert, Chamras Wongkham, Daroon Kotimanusvanij

Wichai Chaijitwanitku, Payak Prarinyawongskul, Kangwan Wongratsameedeun, It-thipol Soongkaeng, Witoon Triratwong, Witoon Prasongwatana, Pote Sriboonlue

Verajit Chotmongkol

Srivilai Varopastrakul, Ganjana Lertmemongkolchai, Nareas Waropastrakul, Arunrat Romphruk

Intarapol Hovichitr, Napa Saunsuwarn, Theerapong Souywattana

Prasong Koonanuwatchaidet

Tipaya Ekalaksananan, Chamsai Pientong

Tipaya Ekalaksananan, Chamsai Pientong

Winai Sirichativapee

Verajit Chotmongkol, Auranut Vuttivirojana, Metee Cheepblangchai, Charoen Choonhakarn