Foreword Karibu. Mauya. Wamkelekile. እንኳን ደህና መጣህ. Olandiridwa. Barka. Murakaza neza. Amohelehile. Siyalemukela. Tukusanyukide. O amogelesegile. Luɔɔr, Greetings reader and welcome. You might be a lecturer, a tutor, a student, a practitioner, or a researcher, we want to welcome you to this book which is available in different formats. Innovations in technology have resulted in many options for publishing. This book appears as a printed hard copy and a softcopy...