Clark alleged that Okowa has 13 companies adding that he diverted the 13 percent (derivation funds) into his 13 firms while sidelining the Delta State Oil Producing Areas Development Commission.

Source: https://newsinvestigatorsng.com/okowa-diverted-%e2%82%a61-7-trillion-state-fund-to-his-companies-edwin-clark/

It was also the media that helped the agitation of the Southern oil-producing States to change the formula of income derivation from oil in their favour and to demand federal character in the process of federal appointments.

Source: https://thenationonlineng.net/effect-of-media-in-contemporary-world-2/

So I think the pharmacy thing was like a derivation, but yeah, I studied science.

Source: https://collider.com/polite-society-ritu-arya-priya-kansara-nida-manzoor-interview/

The amount is a statutory allocation of the 13 percent derivation formula as enshrined in section 162, sub-section 2 of the Nigerian constitution.

Source: https://www.informationng.com/2023/06/13-derivation-governors-now-wealthier-than-their-states-edwin-clark.html

The derivation of optimal value in land use is, to a large extent, dependent on a number of factors influencing land utilisation.

Source: https://www.blueprint.ng/optimising-land-utility-through-acquisition-and-compensation-as-tool-in-land-governance/

The rare Derivation Cloak grants the wearer an ability called “Deadly derivation.”

Source: https://gamerant.com/baldurs-gate-3-bg3-best-cloaks-how-to-get-locations/