R. M. · R.R. · Robert M. · Robert R.
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Gundua Siri Ya Kutibika Na Furaha Maishani: Hoja Ya Afya: Tiba Kwenye Chanzo | 978-9987-9421-1-4 (9987-9421-1-3) | 2014 |
| Shinda Kivuli Kinacho Teketeza Afya Na Mafanikio Yako: Gundua Siri Ya Kutibika Na Kufanikiwa Maishani | 978-9987-9421-3-8 (9987-9421-3-X) | 2013 |