Author(s): Thapa P, Dhakal K H, Darai R, Shrestha A
Author(s): Chapara v, Kalwar N, Lubenow L, Chirumamilla A
Author(s): Mama Mouchili, Fernand Tendonkeng, Emile Miégoué, Nation Nguefack, Jean Romeo LemogoToko, David Fokom Wauffo, Hippolyte Mekuiko Watsop, Etienne Pamo Tedonkeng
Author(s): Telloli C, Rizzo A
Author(s): Ladislav Bláha