| Issue Date | Title | Author(s) |
| 2001 | Analysis of growth and yield in Plumbago spp. | Jalaja S, Menon; Prasannakumari Amma, S; Nybe, E V |
| 1999 | Analysis of growth, flowering and quality in koduveli (Plumbago Spp.) | Prasannakumari Amma, S; Jalaja S Menon |
| 1997 | Impact of trading companies jointly sponsored by rubber board and rubber producers societies on growers in Kottayam and Thrissur districts | Prasannakumari Amma, S; Radhakrishnan, T P |
| 1997 | Influence of organic manures and Azospirillum on growth, yield and quality of ginger (Zingiber officinale Rosc.) | Prasannakumari Amma, S; Thulasi Chengat |
| 1994 | Performance of clone RRII 105 in kuttanaad taluk of Alleppey district | Prasannakumari Amma, S; Mathew John |
| 1995 | Performance of RRII 105 In higher elevations of Thodupuzha taluk in Idukki district | Prasannakumari Amma, S; Abraham Joy, K |
| 2001 | Stimulation of seed germination in white flowered leadwort (Plumbago zeylanica l.) | Jalaja S, Menon; Prasannakumari Amma, S; Nybe, E V |
| 1981 | Studies on the effect of containers, potting mixtures and growth regulators on growth and survival of clove seedlings | Mohanakumar, N; Prasannakumari Amma, S |
| 2001 | Survey, evaluation and identification of black pepper cultivars | Prasannakumari Amma, S; Nybe, E V; Sujatha, V S; Prabhakaran, P V |
