Kouakou, A.M ; Mignouna, H ; Ng, N.Q... Kouakou, A.M., Mignouna, H., Ng, N.Q., Asiedu, R., Zoundjihekpon, J., Ahoussou, N., . & Zohouri, P.G. (2003). Contribution a la caracterisation agro-morphologiques des ignames de l'espece Dioscorea alata L. en Cote d'Ivoire. In Root crops: the small processor and development of local food industries for market economy: proceeding of the Eighth Triennial Symposium of the International Society for Tropical Root Crops - Africa Branch (ISTRC-AB), Ibadan, Nigeria, 12-16 November 2001 (p. 620-625)..
,
2020
Ng, N.Q Ng, N.Q. (1996). Conservation des ressources genetiques par le stockage des graines. Guide de recherche de lIita, No. 52. Ibadan, Nigeria: IITA, (p. 36)..
,
2018
Ha, P. Q ; Thiet, N. V ; Orange, Didier.. Ha, P. Q.; Thiet, N. V.; Orange, Didier; Toan, T. D.; Pomel, S. 2006. Inventaire des techniques de culture dans les montagnes du Nord Vietnam. [Assessment of Agricultural practices in the mountains of Northern Vietnam] In Proceedings of the 14th Conference of ISCO, International Soil Conservation Organisation, Marrakech, Morocco, 14-19 May 2006. 8p..
,
2014
