Nettle Caterpillars and Grasshoppers of Oil Palm in Indonesian

Tekijä Desmier de Chenon R., Sudharto Ps, Poeloengan Z H
Julkaistu 2016

Problems of Phytiaceae diseases on coconut palms [Cocos nucifera] in North Sumatra Indonesia

Tekijä Brahmana, J., Desmier de Chenon, R. (Pusat Penelitian Kelapa, Bandar Kuala, Sumatra (Indonesia))
Julkaistu 2013

Technique of pesticide root absorption for a longer term protection of coconut seed garden [in Sumatra]

Tekijä Ginting, C., Purba, A., Desmier de Chenon, R. (Pusat Penelitian Kelapa Bandar Kuala, Galang, Sumatra Utara (Indonesia))
Julkaistu 2013