Food safety and plant health in Ghana : analysis of the sanitary and phytosanitary status of the vegetable sector / Edwin van der Maden, Joshua Glover-Tay, Irene KoomenOccupational pesticide exposure & health : training manual / Edwin van der Maden, Femke Gordijn, Melliza Wulansari, Irene KoomenPanduan Pelatihan : Paparan Pestisida di Ladang & Pengaruh Pestisida Terhadap Kesehatan / Edwin van der Maden, Femke Gordijn, Melliza Wulansari, Irene Koomen
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Curriculum framework for sound pesticide management : Pesticide Risk Reduction Programme – Ethiopia / Irene Koomen, Duguma Debele, Edwin van der Maden, Huub StoetzerVegetables business opportunities in Ghana: 2014 / Yeray Saavedra, Youri Dijkxhoorn, Anne Elings, Josh Glover-Tay, Irene Koomen, Edwin van der Maden, George Nkansah, Peter Obeng