Locally Oriented Noncrossing Trees. - Isaac Owino Okoth; Stephan G. Wagner (Electron. J. Comb., 2015)

Delivery of Integral Calculus at Maseno University: Is STACK Really Playing an Integral Part? - Zevick Otieno Juma; Isaac Owino Okoth; Michael Obiero Oyengo (Int. J. Emerg. Technol. Learn., 2022)