[publisher not identified], [date of publication not identified]
Naskah
[publisher not identified], [date of publication not identified]
Naskah
Gill, R. M.
Iliffe Books for the Plastics Institute, 1972
Buku Teks
M.R. Dajoh
Bagian Penerbitan, Lembaga Kebudajaan Rakjat, [1961]
Buku Teks
Shaw, Derek, author
Elsevier, 1984
Buku Teks