Evaluation of two Non-Edible, Wild Indigenous Botswana Crops (Croton megalobotrys (Motsebi/Letsebi/Moshoole) and Ricinus communis (Mokhure)) as Potential Feedstocks for Petroleum and Cosmetic Industries - Paphane, Banyaladzi; Nkoane, Bonang; Oyetunji, Olayinka (East African Journal of Environment and Natural Resources, 2021)