1980

W. Pongsapich. S. Vedchakanchana & P. Pongprayoon

Page : 55-74

N.S. Haile & Khoo Han Peng

Page : 75-78

K.R. Chakraborty

Page : 79-86

Tan Boon Kong & Chan Sin Fatt

Page : 31-43

L.S. Yap & B.K. Tan

Page : 45-54

T.T. Khoo

Page : 93-101

K.R. Chakraborty, G. Sita Ram and Sharifah Barlian Aidid

Page : 102-111

A.J. Bol & B. van Hoorn

Page : 1-16

Manfred Epting

Page : 17-30

G.Sita Ram, K.R. Chakraborty and Sharifah Barlian Aidid

Page : 87-92