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Johnson De-Graft Ankamah

Observed names: Ankamah, J. D., J. D Ankamah, Johnson De-Graft Ankamah, Johnson De-graft Ankamah
ORCID: 0000-0003-3747-6208
Observed ORCID: 0000-0003-3747-6208
OpenAlex ID: A5072159082
Deterministic Epidemic Models for Ebola Infection with Time-Dependent Controls
2020 · Eric Okyere, Johnson De-Graft Ankamah, et al. · Discrete Dynamics in Nature and Society · 15
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Mathematical Modeling and Cost‐Effectiveness Analysis of an S e E e I e R e Typhoid Fever Model
2025 · Sacrifice Nana-Kyere, Joshua Kiddy K. Asamoah, et al. · Journal of Mathematics · 4
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An SITR Analysis of Treatment Model of Hepatitis B Epidemic
2015 · Sacrifice Nana-Kyere, Eric Okyere, et al. · 3
Deterministic Epidemic Models For Ebola Infection With Time-dependent Controls
2019 · Okyere, E., Ankamah, J. D., et al. · arXiv (Cornell University) · 2
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Enhanced Vehicle Routing Problem with Time Windows a Real Case of Solid Waste Collection in Tafo Pankrono, Kumasi, Ghana
2016 · D Otoo, S. K. Amponsah, et al. · International Journal of Mathematics Trends and Technology · 1
Global Stability and Cost‐Effectiveness Analysis of a Nonlinear Dynamic Typhoid Fever Epidemic Model
2026 · Eric Okyere, Sacrifice Nana-Kyere, et al. · Journal of Applied Mathematics
Mathematical Modelling of Stakeholder Interaction and Generation Mix Optimization for Ghana's 2030 Power Sector
2026 · Luke Mensah Akrosuma, Sampson Takyi Appiah, et al. · SSRN Electronic Journal
Comparing the Weighted Average and Grade Point Average Grading Systems, a Case of Universities in Ghana
2017 · Johnson De-Graft Ankamah, A. O. Appiah, et al.
On Some Compartmental Models for Ebola Disease
2016 · Eric Okyere, Sacrifice Nana-Kyere, et al. · Journals & Books Hosting (International Knowledge Sharing Platform)
Works count: 9
Citation count: 25
H-index: 3
I10-index: 1
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