| “Use of Children’s Literature in Multilingual Education in Kenya” in In Multilingualism and Education in Africa: The State of the Art. NP M.Y: Cambridge Scholars Publishing., 2014 | 14* | 2014 |
| Children’s Literature Research in Kenyan Universities: Where are we now? P Ngugi International Journal of the Arts and Commerce 1 (No.2), 60-77, 2012 | 13 | 2012 |
| Kiswahili Research in Kenyan Universities PMY Ngugi, PM Masau Swahili Forum, 1997 | 7* | 1997 |
| Kiswahili Research in Kenyan Universities: Where Are We Now ? PM Musau, PMY Ngugi Swahili Forum IV 51, 219-229, 1997 | 7 | 1997 |
| The New Constitution and Teaching of African Languages: What is the way forward for Kenya? P Ngugi International Journal of the Arts and Commerce 1 (3), 2012 | 5 | 2012 |
| Language and literary education: the state of children's literature in Kiswahili in primary schools in Kenya PM Ngugi University of Vienna, 2009 | 4 | 2009 |
| Kiswahili poetic aesthetics: From the general identities to the African prodigy W Nabea, P Ngugi Journal of Literary Studies 28 (2), 83-98, 2012 | 3 | 2012 |
| Miaka Hamsini ya Fasihi ya Watoto katika Kiswahili Nchini Kenya: Maendeleo na Changamoto P Ngugi Miaka Hamsini ya Kiswahili nchini Kenya., 16 -33, 2014 | 2* | 2014 |
| Tafsiri katika Fasihi ya Watoto: Mbinu na Mikakati” P Ngugi Mulika Journal of Kiswahili 31, 11-24, 2012 | 2* | 2012 |
| Nafasi ya Muziki Uliopendwa katika Fasihi ya Kiswahili PMY Ngugi Swahili Forum 64, 145-156, 2000 | 2 | 2000 |
| Kiswahili: kama kilivyotumika nyakati za vita PMY Ngugi | 2 | 1999 |
| “Fasihi ya watoto katika kutekeleza mahitaji ya mtoto Kisaikolojia.” PMY Ngugi Kiswahili Journal of the Institute of Kiswahili Studies 77, 170 -180, 2014 | 1 | 2014 |
| Usicheze na Moto P Ngugi Oxford University Press, 2003 | 1 | 2003 |
| Ubainikaji wa Aina za Ukatili wa Watoto katika Fasihi ya Kiswahili ya Watoto: Mifano kutoka Riwaya Teule EN Nyariki, P Ngugi Kioo cha Lugha 20 (1), 2023 | | 2023 |
| Uchanganuzi wa Miundo ya Aristotle katika Tamthilia ya Kinjeketile R Wafula, P Ngugi, S Okwena Mulika Journal 39, 2021 | | 2021 |
| Usilimishaji wa Vielelezo katika Fasihi ya Watoto: Mfano kutoka Wasifu wa Mwana Kupona (2008) na Alisi Ndani ya Nchi ya Ajabu (2015) SM Mwendwa, PMY Ngugi, C Ndungo Kioo cha Lugha, 2021 | | 2021 |
| Fasihi ya Watoto ya Kiswahili: Maendeleo, Nadharia, Mbinu na Mifano ya Uchambuzi Ngugi Pamela M, Lyimo E.B & Bakize Institute of Swahili Studies (TATAKI) University of Dar es salaam, 2020 | | 2020 |
| Sherehe ya Yohana P Ngugi | | 2019 |
| Sudi na Shadda Wamzuru Babu NP M.Y. Longhorn Publishers, 2019 | | 2019 |
| Sudi na Shadda Wasoma kazi mbalimbali. NP M.Y. Longhorn Publishers, 2019 | | 2019 |
