author = { Jetro Nkengafac, Njukeng AND Kratz, Sylvia AND Schnug, Ewald },

title = { Levels of Heavy Metals in Banana, Cocoa and Oil Palm Farming Systems in Cameroon },

publisher = {Nepal Journals Online (JOL)},

isbn = {2091-2854},

keywords = { General Medicine },

year = {2020},

url = { http://slubdd.de/katalog?TN_libero_mab2 }