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Ahmed Anwar Ismail, . and Ghulam Mohd Hasim, . and Ong S.H., . Environmental issues related to agricultural practices in Malaysia. pp. 5-11. ISSN 0127-9750
Yeang H.Y., . and Ong S.H., . and Mohd Napi Daud, . Influence of meteorological factors around the time of hand-pollination on Hevea fruit-set. pp. 167-175. ISSN 0127-7065
Ong S.H., . and Ramli Othman, . and Mohd Aini Daub, . and Cheng P.W., . and Jayasunthar K., . and Anthonysamy A., . and Mohd Yunos Kasir, . and Isa Shaari, . Multilateral exchange clone trials (1974) - Final report. pp. 3-16. ISSN 0032-096X
Ramli O., . and Ong S.H., . and Masahuling B., . and Othman H., . (1994) Performance of RRIM 900 series clones Hevea brasiliensis in small scale clone trials Malaysia. [Proceedings Paper]
Ong S.H., . and Sepiah M., . (1994) Residues of propiconazole Tilt 250EC in starfruit Averrhoa carambola. [Proceedings Paper]
Masahuling B., . and Ramli O., . and Ong S.H., . and Mohd-Zaid A., . and Zarawi A.G., . (1994) Stimulated and non-stimulated yield performance of the 1981 Hevea germplasm Malaysia. [Proceedings Paper]
Ramli Othman, . and Najib Lotfy Arshad, . and Ong S.H., . (1992) Potential Hevea species and clones for rubber forest Malaysia. [Proceedings Paper]
Ong S.H., . (1990) Degradation of endosulfan and permethrin on sawi Brassica rapa L. - implications on insect management. [Proceedings Paper]
Tan B.K., . and Ong S.H., . and Siew W.L., . (1984) Effects of the weevil on the composition properties and quality of palm oil and palm kernel oil. In: Symposium of the Impact of the Pollinating Weevil on the Malaysian Oil Palm Industry, 21-22 Feb 1984, Kuala Lumpur (Malaysia).
