Infrastructure tools to support an effective radiation oncology learning health system
| Banua : | 1978 1979 1980 1981 1982 1983 1984 |
| Dilanua: | 19th century · 20th century · 21st century |
| Dekada: | 1950s 1960s 1970s 1980s 1990s 2000s 2010s |
| Banua: | 1978 1979 1980 1981 1982 1983 1984 |
| Calendariung Gregorian | 1981 MCMLXXXI |
| Ab urbe condita | 2734 |
| Armenian calendariu | 1430 ԹՎ ՌՆԼ |
| Calendariung Isik | 4677 – 4678 庚申 – 辛酉 |
| Ethiopian calendariu | 1973 – 1974 |
| Hebrew calendariu | 5741 – 5742 |
| Hindu calendariu | |
| - Vikram Samvat | 2036 – 2037 |
| - Shaka Samvat | 1903 – 1904 |
| - Kali Yuga | 5082 – 5083 |
| Iranian calendariu | 1359 – 1360 |
| Islamic calendariu | 1401 – 1403 |
| Japon calendariu | unknown |
Mengapalyari
Kebaitan
Kematyan
Ing Wikimedia Commons atin yang mediang maki kaugnayan kang/king:
1981
