On the maximum size of stepwise irregular graphs. - Lkhagva Buyantogtokh; Enkhbayar Azjargal; Batmend Horoldagva; Shiikhar Dorjsembe; Damchaa Adiyanyam (Appl. Math. Comput., 2021)

On graphs with maximum average eccentricity. - Batmend Horoldagva; Lkhagva Buyantogtokh; Shiikhar Dorjsembe; Enkhbayar Azjargal; Damchaa Adiyanyam (Discret. Appl. Math., 2021)