UNESCO Regional Symposium and Workshop on 'Biotechnology of Nitrogen Fixation in the Tropics'
(1986 :
Serdang, Selangor)
53495; Zulkifli Shamsuddin.
53499; Universiti Pertanian Malaysia.
53500
Seminar on Nitrogen in Malaysian Agriculture
1982 :
Serdamg. Selangor :
44471.; Sundram, Joy
44472.; Tan, Keh Huat
44473.; Zulkifli, Shamsuddin H.
44474.